| Day | Rate | Set date |
|---|---|---|
| 2 January | 56.4200 | .. |
| 5 January | 53.1100 | .. |
| 6 January | 51.1000 | .. |
| 7 January | 51.1500 | .. |
| 8 January | 50.9600 | .. |
| 9 January | 50.1100 | .. |
| 12 January | 47.4300 | .. |
| 13 January | 46.5900 | .. |
| 14 January | 48.6900 | .. |
| 15 January | 47.6700 | .. |
| 16 January | 50.1700 | .. |
| 19 January | 48.8400 | .. |
| 20 January | 47.9900 | .. |
| 21 January | 49.0300 | .. |
| 22 January | 48.5200 | .. |
| 23 January | 48.7900 | .. |
| 26 January | 48.1600 | .. |
| 27 January | 49.6000 | .. |
| 28 January | 48.4700 | .. |
| 29 January | 49.1300 | .. |
| 30 January | 52.9900 | .. |
| Day | Rate | Set date |
|---|---|---|
| 2 February | 54.7500 | .. |
| 3 February | 57.9100 | .. |
| 4 February | 54.1600 | .. |
| 5 February | 56.5700 | .. |
| 6 February | 57.8000 | .. |
| 9 February | 58.3400 | .. |
| 10 February | 56.4300 | .. |
| 11 February | 54.6600 | .. |
| 12 February | 57.0500 | .. |
| 13 February | 61.5200 | .. |
| 16 February | 61.4000 | .. |
| 17 February | 62.5300 | .. |
| 18 February | 60.5300 | .. |
| 19 February | 60.2100 | .. |
| 20 February | 60.2200 | .. |
| 23 February | 58.9000 | .. |
| 24 February | 58.6600 | .. |
| 25 February | 61.6300 | .. |
| 26 February | 60.0500 | .. |
| 27 February | 62.5800 | .. |
| Day | Rate | Set date |
|---|---|---|
| 2 March | 59.5400 | .. |
| 3 March | 61.0200 | .. |
| 4 March | 60.5500 | .. |
| 5 March | 60.4800 | .. |
| 6 March | 59.7300 | .. |
| 9 March | 58.5300 | .. |
| 10 March | 56.3900 | .. |
| 11 March | 57.5400 | .. |
| 12 March | 57.0800 | .. |
| 13 March | 54.6700 | .. |
| 16 March | 53.4400 | .. |
| 17 March | 53.5100 | .. |
| 18 March | 55.9100 | .. |
| 19 March | 54.4300 | .. |
| 20 March | 55.3200 | .. |
| 23 March | 55.9200 | .. |
| 24 March | 55.1100 | .. |
| 25 March | 56.4800 | .. |
| 26 March | 59.1900 | .. |
| 27 March | 56.4100 | .. |
| 30 March | 56.2900 | .. |
| 31 March | 55.1100 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 April | 57.1000 | .. |
| 2 April | 54.9500 | .. |
| 6 April | 58.1200 | .. |
| 7 April | 59.1000 | .. |
| 8 April | 55.5500 | .. |
| 9 April | 56.5700 | .. |
| 10 April | 57.8700 | .. |
| 13 April | 57.9300 | .. |
| 14 April | 58.4300 | .. |
| 15 April | 60.3200 | .. |
| 16 April | 63.9800 | .. |
| 17 April | 63.4500 | .. |
| 20 April | 63.4500 | .. |
| 21 April | 62.0800 | .. |
| 22 April | 62.7300 | .. |
| 23 April | 64.8500 | .. |
| 24 April | 65.2800 | .. |
| 27 April | 64.8300 | .. |
| 28 April | 64.6400 | .. |
| 29 April | 65.8400 | .. |
| 30 April | 66.7800 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 May | 66.4600 | .. |
| 4 May | 66.4500 | .. |
| 5 May | 67.5200 | .. |
| 6 May | 67.7700 | .. |
| 7 May | 65.5400 | .. |
| 8 May | 65.3900 | .. |
| 11 May | 64.9100 | .. |
| 12 May | 66.8600 | .. |
| 13 May | 66.8100 | .. |
| 14 May | 66.5900 | .. |
| 15 May | 66.8100 | .. |
| 18 May | 66.2700 | .. |
| 19 May | 64.0200 | .. |
| 20 May | 65.0300 | .. |
| 21 May | 66.5400 | .. |
| 22 May | 65.3700 | .. |
| 25 May | 65.5200 | .. |
| 26 May | 63.7200 | .. |
| 27 May | 62.0600 | .. |
| 28 May | 62.5800 | .. |
| 29 May | 65.5600 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 June | 64.8800 | .. |
| 2 June | 65.4900 | .. |
| 3 June | 63.8000 | .. |
| 4 June | 62.0300 | .. |
| 5 June | 63.3100 | .. |
| 8 June | 62.6900 | .. |
| 9 June | 64.8800 | .. |
| 10 June | 65.7000 | .. |
| 11 June | 65.1100 | .. |
| 12 June | 63.8700 | .. |
| 15 June | 62.6100 | .. |
| 16 June | 63.7000 | .. |
| 17 June | 63.8700 | .. |
| 18 June | 64.2600 | .. |
| 19 June | 63.0200 | .. |
| 22 June | 63.3400 | .. |
| 23 June | 64.4500 | .. |
| 24 June | 63.4900 | .. |
| 25 June | 63.2000 | .. |
| 26 June | 63.2600 | .. |
| 29 June | 62.0100 | .. |
| 30 June | 63.5900 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 July | 62.0100 | .. |
| 2 July | 62.0700 | .. |
| 3 July | 60.3200 | .. |
| 6 July | 56.5400 | .. |
| 7 July | 56.8500 | .. |
| 8 July | 57.0500 | .. |
| 9 July | 58.6100 | .. |
| 10 July | 58.7300 | .. |
| 13 July | 57.8500 | .. |
| 14 July | 58.5100 | .. |
| 15 July | 57.0500 | .. |
| 16 July | 57.5100 | .. |
| 17 July | 57.1000 | .. |
| 20 July | 56.6500 | .. |
| 21 July | 57.0400 | .. |
| 22 July | 56.1300 | .. |
| 23 July | 55.2700 | .. |
| 24 July | 54.6200 | .. |
| 27 July | 53.4700 | .. |
| 28 July | 53.3000 | .. |
| 29 July | 53.3800 | .. |
| 30 July | 53.3100 | .. |
| 31 July | 52.2100 | .. |
| Day | Rate | Set date |
|---|---|---|
| 3 August | 49.5200 | .. |
| 4 August | 49.9900 | .. |
| 5 August | 49.5900 | .. |
| 6 August | 49.5200 | .. |
| 7 August | 48.6100 | .. |
| 10 August | 50.4100 | .. |
| 11 August | 49.1800 | .. |
| 12 August | 49.6600 | .. |
| 13 August | 49.2200 | .. |
| 14 August | 49.0300 | .. |
| 17 August | 48.7400 | .. |
| 18 August | 48.8100 | .. |
| 19 August | 47.1600 | .. |
| 20 August | 46.6200 | .. |
| 21 August | 45.4600 | .. |
| 24 August | 42.6900 | .. |
| 25 August | 43.2100 | .. |
| 26 August | 43.1400 | .. |
| 27 August | 47.5600 | .. |
| 28 August | 50.0500 | .. |
| 31 August | 54.1500 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 September | 49.5600 | .. |
| 2 September | 50.5000 | .. |
| 3 September | 50.6800 | .. |
| 4 September | 49.6100 | .. |
| 7 September | 47.6300 | .. |
| 8 September | 49.5200 | .. |
| 9 September | 47.5800 | .. |
| 10 September | 48.8900 | .. |
| 11 September | 48.1400 | .. |
| 14 September | 46.3700 | .. |
| 15 September | 46.6300 | .. |
| 16 September | 49.7500 | .. |
| 17 September | 49.0800 | .. |
| 18 September | 47.4700 | .. |
| 21 September | 48.9200 | .. |
| 22 September | 49.0800 | .. |
| 23 September | 47.7500 | .. |
| 24 September | 48.1700 | .. |
| 25 September | 48.6000 | .. |
| 28 September | 47.3400 | .. |
| 29 September | 48.2300 | .. |
| 30 September | 48.3700 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 October | 47.6900 | .. |
| 2 October | 48.1300 | .. |
| 5 October | 49.2500 | .. |
| 6 October | 51.9200 | .. |
| 7 October | 51.3300 | .. |
| 8 October | 53.0500 | .. |
| 9 October | 52.6500 | .. |
| 12 October | 49.8600 | .. |
| 13 October | 49.2400 | .. |
| 14 October | 49.1500 | .. |
| 15 October | 48.7100 | .. |
| 16 October | 50.4600 | .. |
| 19 October | 48.6100 | .. |
| 20 October | 48.7100 | .. |
| 21 October | 47.8500 | .. |
| 22 October | 48.0800 | .. |
| 23 October | 47.9900 | .. |
| 26 October | 47.5400 | .. |
| 27 October | 46.8100 | .. |
| 28 October | 49.0500 | .. |
| 29 October | 48.8000 | .. |
| 30 October | 49.5600 | .. |
| Day | Rate | Set date |
|---|---|---|
| 2 November | 48.7900 | .. |
| 3 November | 50.5400 | .. |
| 4 November | 48.5800 | .. |
| 5 November | 47.9800 | .. |
| 6 November | 47.4200 | .. |
| 9 November | 47.1900 | .. |
| 10 November | 47.4400 | .. |
| 11 November | 45.8100 | .. |
| 12 November | 44.0600 | .. |
| 13 November | 43.6100 | .. |
| 16 November | 44.5600 | .. |
| 17 November | 43.5700 | .. |
| 18 November | 44.1400 | .. |
| 19 November | 44.1800 | .. |
| 20 November | 44.6600 | .. |
| 23 November | 44.8300 | .. |
| 24 November | 46.1200 | .. |
| 25 November | 46.1700 | .. |
| 26 November | 45.4600 | .. |
| 27 November | 44.8600 | .. |
| 30 November | 44.6100 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 December | 44.4400 | .. |
| 2 December | 42.4900 | .. |
| 3 December | 43.8400 | .. |
| 4 December | 43.0000 | .. |
| 7 December | 40.7300 | .. |
| 8 December | 40.2600 | .. |
| 9 December | 40.1100 | .. |
| 10 December | 39.7300 | .. |
| 11 December | 37.9300 | .. |
| 14 December | 37.9200 | .. |
| 15 December | 38.4500 | .. |
| 16 December | 37.1900 | .. |
| 17 December | 37.0600 | .. |
| 18 December | 36.8800 | .. |
| 21 December | 36.3500 | .. |
| 22 December | 36.1100 | .. |
| 23 December | 37.3600 | .. |
| 24 December | 37.8900 | .. |
| 28 December | 36.6200 | .. |
| 29 December | 37.7900 | .. |
| 30 December | 36.4600 | .. |
| 31 December | 37.2800 | .. |