| Day | Rate | Set date |
|---|---|---|
| 2 January | 66.2500 | .. |
| 3 January | 68.6000 | .. |
| 6 January | 68.9100 | .. |
| 7 January | 68.2700 | .. |
| 8 January | 65.4400 | .. |
| 9 January | 65.3700 | .. |
| 10 January | 64.9800 | .. |
| 13 January | 64.2000 | .. |
| 14 January | 64.4900 | .. |
| 15 January | 64.0000 | .. |
| 16 January | 64.6200 | .. |
| 17 January | 64.8500 | .. |
| 20 January | 65.2000 | .. |
| 21 January | 64.5900 | .. |
| 22 January | 63.2100 | .. |
| 23 January | 62.0400 | .. |
| 24 January | 60.6900 | .. |
| 27 January | 59.3200 | .. |
| 28 January | 59.5100 | .. |
| 29 January | 59.8100 | .. |
| 30 January | 58.2900 | .. |
| 31 January | 58.1600 | .. |
| Day | Rate | Set date |
|---|---|---|
| 3 February | 54.4500 | .. |
| 4 February | 53.9600 | .. |
| 5 February | 55.2800 | .. |
| 6 February | 54.9300 | .. |
| 7 February | 54.4700 | .. |
| 10 February | 53.2700 | .. |
| 11 February | 54.0100 | .. |
| 12 February | 55.7900 | .. |
| 13 February | 56.3400 | .. |
| 14 February | 57.3200 | .. |
| 17 February | 57.6700 | .. |
| 18 February | 57.7500 | .. |
| 19 February | 59.1200 | .. |
| 20 February | 59.3100 | .. |
| 21 February | 58.5000 | .. |
| 24 February | 56.3000 | .. |
| 25 February | 54.9500 | .. |
| 26 February | 53.4300 | .. |
| 27 February | 52.1800 | .. |
| 28 February | 50.5200 | .. |
| Day | Rate | Set date |
|---|---|---|
| 2 March | 51.9000 | .. |
| 3 March | 51.8600 | .. |
| 4 March | 51.1300 | .. |
| 5 March | 49.9900 | .. |
| 6 March | 45.2700 | .. |
| 9 March | 34.3600 | .. |
| 10 March | 37.2200 | .. |
| 11 March | 35.7900 | .. |
| 12 March | 33.2200 | .. |
| 13 March | 33.8500 | .. |
| 16 March | 30.0500 | .. |
| 17 March | 28.7300 | .. |
| 18 March | 24.8800 | .. |
| 19 March | 28.4700 | .. |
| 20 March | 26.9800 | .. |
| 23 March | 27.0300 | .. |
| 24 March | 27.1500 | .. |
| 25 March | 27.3900 | .. |
| 26 March | 26.3400 | .. |
| 27 March | 24.9300 | .. |
| 30 March | 22.7600 | .. |
| 31 March | 22.7400 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 April | 24.7400 | .. |
| 2 April | 29.9400 | .. |
| 3 April | 34.1100 | .. |
| 6 April | 33.0500 | .. |
| 7 April | 31.8700 | .. |
| 8 April | 32.8400 | .. |
| 9 April | 31.4800 | .. |
| 13 April | 31.7400 | .. |
| 14 April | 29.6000 | .. |
| 15 April | 27.6900 | .. |
| 16 April | 27.8200 | .. |
| 17 April | 28.0800 | .. |
| 20 April | 25.5700 | .. |
| 21 April | 19.3300 | .. |
| 22 April | 20.3700 | .. |
| 23 April | 21.3300 | .. |
| 24 April | 21.4400 | .. |
| 27 April | 19.9900 | .. |
| 28 April | 20.4600 | .. |
| 29 April | 22.5400 | .. |
| 30 April | 25.2700 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 May | 26.4400 | .. |
| 4 May | 27.2000 | .. |
| 5 May | 30.9700 | .. |
| 6 May | 29.7200 | .. |
| 7 May | 29.4600 | .. |
| 8 May | 30.9700 | .. |
| 11 May | 29.6300 | .. |
| 12 May | 29.9800 | .. |
| 13 May | 29.1900 | .. |
| 14 May | 31.1300 | .. |
| 15 May | 32.5000 | .. |
| 18 May | 34.8100 | .. |
| 19 May | 34.6500 | .. |
| 20 May | 35.7500 | .. |
| 21 May | 36.0600 | .. |
| 22 May | 35.1300 | .. |
| 25 May | 35.5300 | .. |
| 26 May | 36.1700 | .. |
| 27 May | 34.7400 | .. |
| 28 May | 35.2900 | .. |
| 29 May | 35.3300 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 June | 38.3200 | .. |
| 2 June | 39.5700 | .. |
| 3 June | 39.7900 | .. |
| 4 June | 39.9900 | .. |
| 5 June | 42.3000 | .. |
| 8 June | 40.8000 | .. |
| 9 June | 41.1800 | .. |
| 10 June | 41.7300 | .. |
| 11 June | 38.5500 | .. |
| 12 June | 38.7300 | .. |
| 15 June | 39.7200 | .. |
| 16 June | 40.9600 | .. |
| 17 June | 40.7100 | .. |
| 18 June | 41.5100 | .. |
| 19 June | 42.1900 | .. |
| 22 June | 43.0800 | .. |
| 23 June | 42.6300 | .. |
| 24 June | 40.3100 | .. |
| 25 June | 41.0500 | .. |
| 26 June | 41.0200 | .. |
| 29 June | 41.7100 | .. |
| 30 June | 41.1500 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 July | 42.0300 | .. |
| 2 July | 43.1400 | .. |
| 3 July | 42.8000 | .. |
| 6 July | 43.1000 | .. |
| 7 July | 43.0800 | .. |
| 8 July | 43.2900 | .. |
| 9 July | 42.3500 | .. |
| 10 July | 43.2400 | .. |
| 13 July | 42.7200 | .. |
| 14 July | 42.9000 | .. |
| 15 July | 43.7900 | .. |
| 16 July | 43.3700 | .. |
| 17 July | 43.1400 | .. |
| 20 July | 43.2800 | .. |
| 21 July | 44.3200 | .. |
| 22 July | 44.2900 | .. |
| 23 July | 43.3100 | .. |
| 24 July | 43.3400 | .. |
| 27 July | 43.4100 | .. |
| 28 July | 43.2200 | .. |
| 29 July | 43.7500 | .. |
| 30 July | 42.9400 | .. |
| 31 July | 43.3000 | .. |
| Day | Rate | Set date |
|---|---|---|
| 3 August | 44.1500 | .. |
| 4 August | 44.4300 | .. |
| 5 August | 45.1700 | .. |
| 6 August | 45.0900 | .. |
| 7 August | 44.4000 | .. |
| 10 August | 44.9900 | .. |
| 11 August | 44.5000 | .. |
| 12 August | 45.4300 | .. |
| 13 August | 44.9600 | .. |
| 14 August | 44.8000 | .. |
| 17 August | 45.3700 | .. |
| 18 August | 45.4600 | .. |
| 19 August | 45.3700 | .. |
| 20 August | 44.9000 | .. |
| 21 August | 44.3500 | .. |
| 24 August | 45.1300 | .. |
| 25 August | 45.8600 | .. |
| 26 August | 45.6400 | .. |
| 27 August | 45.0900 | .. |
| 28 August | 45.0500 | .. |
| 31 August | 45.2800 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 September | 45.5800 | .. |
| 2 September | 44.4300 | .. |
| 3 September | 44.0700 | .. |
| 4 September | 42.6600 | .. |
| 7 September | 42.0100 | .. |
| 8 September | 39.7800 | .. |
| 9 September | 40.7900 | .. |
| 10 September | 40.0600 | .. |
| 11 September | 39.8300 | .. |
| 14 September | 39.6100 | .. |
| 15 September | 40.5300 | .. |
| 16 September | 42.2200 | .. |
| 17 September | 43.3000 | .. |
| 18 September | 43.1500 | .. |
| 21 September | 41.4400 | .. |
| 22 September | 41.7200 | .. |
| 23 September | 41.7700 | .. |
| 24 September | 41.9400 | .. |
| 25 September | 41.9200 | .. |
| 28 September | 42.4300 | .. |
| 29 September | 41.0300 | .. |
| 30 September | 40.9500 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 October | 40.9300 | .. |
| 2 October | 39.2700 | .. |
| 5 October | 41.2900 | .. |
| 6 October | 42.6500 | .. |
| 7 October | 41.9900 | .. |
| 8 October | 43.3400 | .. |
| 9 October | 42.8500 | .. |
| 12 October | 41.7200 | .. |
| 13 October | 42.4500 | .. |
| 14 October | 43.3200 | .. |
| 15 October | 43.1600 | .. |
| 16 October | 42.9300 | .. |
| 19 October | 42.6200 | .. |
| 20 October | 43.1600 | .. |
| 21 October | 41.7300 | .. |
| 22 October | 42.4600 | .. |
| 23 October | 41.7700 | .. |
| 26 October | 40.4600 | .. |
| 27 October | 41.2000 | .. |
| 28 October | 39.1200 | .. |
| 29 October | 37.6500 | .. |
| 30 October | 37.4600 | .. |
| Day | Rate | Set date |
|---|---|---|
| 2 November | 38.9700 | .. |
| 3 November | 39.7100 | .. |
| 4 November | 41.2300 | .. |
| 5 November | 40.9300 | .. |
| 6 November | 39.4500 | .. |
| 9 November | 42.4000 | .. |
| 10 November | 43.6100 | .. |
| 11 November | 43.8000 | .. |
| 12 November | 43.5300 | .. |
| 13 November | 42.7800 | .. |
| 16 November | 43.8200 | .. |
| 17 November | 43.7500 | .. |
| 18 November | 44.3400 | .. |
| 19 November | 44.2000 | .. |
| 20 November | 44.9600 | .. |
| 23 November | 46.0600 | .. |
| 24 November | 47.8600 | .. |
| 25 November | 48.6100 | .. |
| 26 November | 47.8000 | .. |
| 27 November | 48.1800 | .. |
| 30 November | 47.5900 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 December | 47.4200 | .. |
| 2 December | 48.2500 | .. |
| 3 December | 48.7100 | .. |
| 4 December | 49.2500 | .. |
| 7 December | 48.7900 | .. |
| 8 December | 48.8400 | .. |
| 9 December | 48.8600 | .. |
| 10 December | 50.2500 | .. |
| 11 December | 49.9700 | .. |
| 14 December | 50.2900 | .. |
| 15 December | 50.7600 | .. |
| 16 December | 51.0800 | .. |
| 17 December | 51.5000 | .. |
| 18 December | 52.2600 | .. |
| 21 December | 50.9100 | .. |
| 22 December | 50.0800 | .. |
| 23 December | 51.2000 | .. |
| 24 December | 51.2900 | .. |
| 28 December | 50.8600 | .. |
| 29 December | 51.0900 | .. |
| 30 December | 51.3400 | .. |
| 31 December | 51.8000 | .. |