| Day | Rate | Set date |
|---|---|---|
| 4 January | 51.0900 | .. |
| 5 January | 53.6000 | .. |
| 6 January | 54.3000 | .. |
| 7 January | 54.3800 | .. |
| 8 January | 55.9900 | .. |
| 11 January | 55.6600 | .. |
| 12 January | 56.5800 | .. |
| 13 January | 56.0600 | .. |
| 14 January | 56.4200 | .. |
| 15 January | 55.1000 | .. |
| 18 January | 54.7500 | .. |
| 19 January | 55.9000 | .. |
| 20 January | 56.0800 | .. |
| 21 January | 56.1000 | .. |
| 22 January | 55.4100 | .. |
| 25 January | 55.8800 | .. |
| 26 January | 55.9100 | .. |
| 27 January | 55.8100 | .. |
| 28 January | 55.5300 | .. |
| 29 January | 55.8800 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 February | 56.3500 | .. |
| 2 February | 57.4600 | .. |
| 3 February | 58.4600 | .. |
| 4 February | 58.8400 | .. |
| 5 February | 59.3400 | .. |
| 8 February | 60.5600 | .. |
| 9 February | 61.0900 | .. |
| 10 February | 61.4700 | .. |
| 11 February | 61.1400 | .. |
| 12 February | 62.4300 | .. |
| 15 February | 63.3000 | .. |
| 16 February | 63.3500 | .. |
| 17 February | 64.3400 | .. |
| 18 February | 63.9300 | .. |
| 19 February | 62.9100 | .. |
| 22 February | 65.2400 | .. |
| 23 February | 65.3700 | .. |
| 24 February | 67.0400 | .. |
| 25 February | 66.8800 | .. |
| 26 February | 66.1300 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 March | 63.6900 | .. |
| 2 March | 62.7000 | .. |
| 3 March | 64.0700 | .. |
| 4 March | 66.7400 | .. |
| 5 March | 69.3600 | .. |
| 8 March | 68.2400 | .. |
| 9 March | 67.5200 | .. |
| 10 March | 67.9000 | .. |
| 11 March | 69.6300 | .. |
| 12 March | 69.2200 | .. |
| 15 March | 68.8800 | .. |
| 16 March | 68.3900 | .. |
| 17 March | 68.0000 | .. |
| 18 March | 63.2800 | .. |
| 19 March | 64.5300 | .. |
| 22 March | 64.6200 | .. |
| 23 March | 60.7900 | .. |
| 24 March | 64.4100 | .. |
| 25 March | 61.9500 | .. |
| 26 March | 64.5700 | .. |
| 29 March | 64.9800 | .. |
| 30 March | 64.1400 | .. |
| 31 March | 63.5400 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 April | 64.8600 | .. |
| 5 April | 62.1500 | .. |
| 6 April | 62.7400 | .. |
| 7 April | 63.1600 | .. |
| 8 April | 63.2000 | .. |
| 9 April | 62.9500 | .. |
| 12 April | 63.2800 | .. |
| 13 April | 63.6700 | .. |
| 14 April | 66.5800 | .. |
| 15 April | 66.9400 | .. |
| 16 April | 66.7700 | .. |
| 19 April | 67.0500 | .. |
| 20 April | 66.5700 | .. |
| 21 April | 65.3200 | .. |
| 22 April | 65.4000 | .. |
| 23 April | 66.1100 | .. |
| 26 April | 65.6500 | .. |
| 27 April | 66.4200 | .. |
| 28 April | 67.2700 | .. |
| 29 April | 68.5600 | .. |
| 30 April | 67.2500 | .. |
| Day | Rate | Set date |
|---|---|---|
| 3 May | 67.5600 | .. |
| 4 May | 68.8800 | .. |
| 5 May | 68.9600 | .. |
| 6 May | 68.0900 | .. |
| 7 May | 68.2800 | .. |
| 10 May | 68.3200 | .. |
| 11 May | 68.5500 | .. |
| 12 May | 69.3200 | .. |
| 13 May | 67.0500 | .. |
| 14 May | 68.7100 | .. |
| 17 May | 69.4600 | .. |
| 18 May | 68.7100 | .. |
| 19 May | 66.6600 | .. |
| 20 May | 65.1100 | .. |
| 21 May | 66.4400 | .. |
| 24 May | 68.4600 | .. |
| 25 May | 68.6500 | .. |
| 26 May | 68.8700 | .. |
| 27 May | 69.4600 | .. |
| 28 May | 69.6300 | .. |
| 31 May | 69.3200 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 June | 70.2500 | .. |
| 2 June | 71.3500 | .. |
| 3 June | 71.3100 | .. |
| 4 June | 71.8900 | .. |
| 7 June | 71.4900 | .. |
| 8 June | 72.2200 | .. |
| 9 June | 72.2200 | .. |
| 10 June | 72.5200 | .. |
| 11 June | 72.6900 | .. |
| 14 June | 72.8600 | .. |
| 15 June | 73.9900 | .. |
| 16 June | 74.3900 | .. |
| 17 June | 73.0800 | .. |
| 18 June | 73.5100 | .. |
| 21 June | 74.9000 | .. |
| 22 June | 74.8100 | .. |
| 23 June | 75.1900 | .. |
| 24 June | 75.5600 | .. |
| 25 June | 76.1800 | .. |
| 28 June | 74.6800 | .. |
| 29 June | 74.7600 | .. |
| 30 June | 75.1300 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 July | 75.8400 | .. |
| 2 July | 76.1700 | .. |
| 5 July | 77.1600 | .. |
| 6 July | 74.5300 | .. |
| 7 July | 73.4300 | .. |
| 8 July | 74.1200 | .. |
| 9 July | 75.5500 | .. |
| 12 July | 75.1600 | .. |
| 13 July | 76.4900 | .. |
| 14 July | 74.7600 | .. |
| 15 July | 73.4700 | .. |
| 16 July | 73.5900 | .. |
| 19 July | 68.6200 | .. |
| 20 July | 69.3500 | .. |
| 21 July | 72.2300 | .. |
| 22 July | 73.7900 | .. |
| 23 July | 74.1000 | .. |
| 26 July | 74.5000 | .. |
| 27 July | 74.4800 | .. |
| 28 July | 74.7400 | .. |
| 29 July | 76.0500 | .. |
| 30 July | 76.3300 | .. |
| Day | Rate | Set date |
|---|---|---|
| 2 August | 72.8900 | .. |
| 3 August | 72.4100 | .. |
| 4 August | 70.3800 | .. |
| 5 August | 71.2900 | .. |
| 6 August | 70.7000 | .. |
| 9 August | 69.0400 | .. |
| 10 August | 70.6300 | .. |
| 11 August | 71.4400 | .. |
| 12 August | 71.3100 | .. |
| 13 August | 70.5900 | .. |
| 16 August | 69.5100 | .. |
| 17 August | 69.0300 | .. |
| 18 August | 68.2300 | .. |
| 19 August | 66.4500 | .. |
| 20 August | 65.1800 | .. |
| 23 August | 68.7500 | .. |
| 24 August | 71.0500 | .. |
| 25 August | 72.2500 | .. |
| 26 August | 71.0700 | .. |
| 27 August | 72.7000 | .. |
| 30 August | 73.4100 | .. |
| 31 August | 72.9900 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 September | 71.5900 | .. |
| 2 September | 73.0300 | .. |
| 3 September | 72.6100 | .. |
| 6 September | 72.2200 | .. |
| 7 September | 71.6900 | .. |
| 8 September | 72.6000 | .. |
| 9 September | 71.4500 | .. |
| 10 September | 72.9200 | .. |
| 13 September | 73.5100 | .. |
| 14 September | 73.6000 | .. |
| 15 September | 75.4600 | .. |
| 16 September | 75.6700 | .. |
| 17 September | 75.3400 | .. |
| 20 September | 73.9200 | .. |
| 21 September | 74.3600 | .. |
| 22 September | 76.1900 | .. |
| 23 September | 77.2500 | .. |
| 24 September | 78.0900 | .. |
| 27 September | 79.5300 | .. |
| 28 September | 79.0900 | .. |
| 29 September | 78.6400 | .. |
| 30 September | 78.5200 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 October | 79.2800 | .. |
| 4 October | 81.2600 | .. |
| 5 October | 82.5600 | .. |
| 6 October | 81.0800 | .. |
| 7 October | 81.9500 | .. |
| 8 October | 82.3900 | .. |
| 11 October | 83.6500 | .. |
| 12 October | 83.4200 | .. |
| 13 October | 83.1800 | .. |
| 14 October | 84.0000 | .. |
| 15 October | 84.8600 | .. |
| 18 October | 84.3300 | .. |
| 19 October | 85.0800 | .. |
| 20 October | 85.8200 | .. |
| 21 October | 84.6100 | .. |
| 22 October | 85.5300 | .. |
| 25 October | 85.9900 | .. |
| 26 October | 86.4000 | .. |
| 27 October | 84.5800 | .. |
| 28 October | 84.3200 | .. |
| 29 October | 84.3800 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 November | 84.7100 | .. |
| 2 November | 84.7200 | .. |
| 3 November | 81.9900 | .. |
| 4 November | 80.5400 | .. |
| 5 November | 82.7400 | .. |
| 8 November | 83.4300 | .. |
| 9 November | 84.7800 | .. |
| 10 November | 82.6400 | .. |
| 11 November | 82.8700 | .. |
| 12 November | 82.1700 | .. |
| 15 November | 82.0500 | .. |
| 16 November | 82.4300 | .. |
| 17 November | 80.2800 | .. |
| 18 November | 81.2400 | .. |
| 19 November | 78.8900 | .. |
| 22 November | 79.7000 | .. |
| 23 November | 82.3100 | .. |
| 24 November | 82.2500 | .. |
| 25 November | 82.2200 | .. |
| 26 November | 72.7200 | .. |
| 29 November | 73.4400 | .. |
| 30 November | 70.5700 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 December | 68.8700 | .. |
| 2 December | 69.6700 | .. |
| 3 December | 69.8800 | .. |
| 5 December | 71.1600 | .. |
| 6 December | 73.0800 | .. |
| 7 December | 75.4400 | .. |
| 8 December | 75.8200 | .. |
| 9 December | 74.4200 | .. |
| 10 December | 75.1500 | .. |
| 12 December | 75.8600 | .. |
| 13 December | 74.3900 | .. |
| 14 December | 73.7000 | .. |
| 15 December | 73.8800 | .. |
| 16 December | 75.0200 | .. |
| 17 December | 73.5200 | .. |
| 19 December | 72.0800 | .. |
| 20 December | 71.5200 | .. |
| 21 December | 73.9800 | .. |
| 22 December | 75.2900 | .. |
| 23 December | 76.8500 | .. |
| 24 December | 76.1400 | .. |
| 26 December | 76.1100 | .. |
| 27 December | 78.6000 | .. |
| 28 December | 78.9400 | .. |
| 29 December | 79.2300 | .. |
| 30 December | 79.3200 | .. |
| 31 December | 77.7800 | .. |