| Day | Rate | Set date |
|---|---|---|
| 2 January | 21.0000 | .. |
| 3 January | 20.6600 | .. |
| 4 January | 22.1800 | .. |
| 7 January | 22.0300 | .. |
| 8 January | 22.0200 | .. |
| 9 January | 20.8900 | .. |
| 10 January | 21.2900 | .. |
| 11 January | 20.8600 | .. |
| 14 January | 19.7800 | .. |
| 15 January | 19.7000 | .. |
| 16 January | 19.3600 | .. |
| 17 January | 18.4100 | .. |
| 18 January | 18.4500 | .. |
| 21 January | 18.5700 | .. |
| 22 January | 18.7500 | .. |
| 23 January | 19.1900 | .. |
| 24 January | 19.1300 | .. |
| 25 January | 19.3700 | .. |
| 28 January | 19.6500 | .. |
| 29 January | 19.2400 | .. |
| 30 January | 18.7900 | .. |
| 31 January | 19.1800 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 February | 19.9800 | .. |
| 4 February | 19.8100 | .. |
| 5 February | 19.5600 | .. |
| 6 February | 19.3100 | .. |
| 7 February | 19.2100 | .. |
| 8 February | 19.7200 | .. |
| 11 February | 21.4400 | .. |
| 12 February | 20.4600 | .. |
| 13 February | 20.7000 | .. |
| 14 February | 20.8200 | .. |
| 15 February | 20.8700 | .. |
| 18 February | 20.3300 | .. |
| 19 February | 20.5200 | .. |
| 20 February | 19.8600 | .. |
| 21 February | 20.3700 | .. |
| 22 February | 20.3700 | .. |
| 25 February | 19.9800 | .. |
| 26 February | 20.8600 | .. |
| 27 February | 20.8500 | .. |
| 28 February | 21.3300 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 March | 21.8900 | .. |
| 4 March | 21.9400 | .. |
| 5 March | 22.7900 | .. |
| 6 March | 22.7200 | .. |
| 7 March | 23.3000 | .. |
| 8 March | 23.3300 | .. |
| 11 March | 23.8900 | .. |
| 12 March | 23.7000 | .. |
| 13 March | 23.8900 | .. |
| 14 March | 24.0600 | .. |
| 15 March | 24.5500 | .. |
| 18 March | 25.0700 | .. |
| 19 March | 24.9100 | .. |
| 20 March | 24.6600 | .. |
| 21 March | 25.4200 | .. |
| 22 March | 25.3600 | .. |
| 25 March | 25.1300 | .. |
| 26 March | 25.3100 | .. |
| 27 March | 25.4400 | .. |
| 28 March | 25.9200 | .. |
| Day | Rate | Set date |
|---|---|---|
| 2 April | 27.6600 | .. |
| 3 April | 27.2700 | .. |
| 4 April | 27.3100 | .. |
| 5 April | 25.9900 | .. |
| 8 April | 27.0200 | .. |
| 9 April | 26.0800 | .. |
| 10 April | 26.0100 | .. |
| 11 April | 25.0400 | .. |
| 12 April | 24.2900 | .. |
| 15 April | 24.7000 | .. |
| 16 April | 24.5800 | .. |
| 17 April | 25.3800 | .. |
| 18 April | 25.7700 | .. |
| 19 April | 25.8500 | .. |
| 22 April | 25.8900 | .. |
| 23 April | 26.0000 | .. |
| 24 April | 25.7600 | .. |
| 25 April | 25.9300 | .. |
| 26 April | 26.1900 | .. |
| 29 April | 26.6800 | .. |
| 30 April | 26.4700 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 May | 25.8700 | .. |
| 2 May | 25.4300 | .. |
| 3 May | 25.7500 | .. |
| 7 May | 25.4100 | .. |
| 8 May | 26.0300 | .. |
| 9 May | 25.9400 | .. |
| 10 May | 26.3800 | .. |
| 13 May | 26.5800 | .. |
| 14 May | 27.3100 | .. |
| 15 May | 26.1700 | .. |
| 16 May | 26.2200 | .. |
| 17 May | 26.3600 | .. |
| 20 May | 26.3800 | .. |
| 21 May | 25.6000 | .. |
| 22 May | 25.5000 | .. |
| 23 May | 25.3900 | .. |
| 24 May | 25.1800 | .. |
| 27 May | 24.9400 | .. |
| 28 May | 24.7600 | .. |
| 29 May | 25.1200 | .. |
| 30 May | 24.0500 | .. |
| 31 May | 24.4500 | .. |
| Day | Rate | Set date |
|---|---|---|
| 5 June | 24.1800 | .. |
| 6 June | 24.2200 | .. |
| 7 June | 23.9900 | .. |
| 10 June | 23.6600 | .. |
| 11 June | 23.3000 | .. |
| 12 June | 23.5100 | .. |
| 13 June | 24.0600 | .. |
| 14 June | 24.9900 | .. |
| 17 June | 25.2400 | .. |
| 18 June | 24.7900 | .. |
| 19 June | 24.5500 | .. |
| 20 June | 25.0700 | .. |
| 21 June | 24.7500 | .. |
| 24 June | 25.2700 | .. |
| 25 June | 25.2000 | .. |
| 26 June | 25.2400 | .. |
| 27 June | 25.4500 | .. |
| 28 June | 25.5800 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 July | 25.6400 | .. |
| 2 July | 25.7500 | .. |
| 3 July | 25.8400 | .. |
| 4 July | 25.5500 | .. |
| 5 July | 25.7300 | .. |
| 8 July | 25.0800 | .. |
| 9 July | 25.1700 | .. |
| 10 July | 25.9300 | .. |
| 11 July | 25.9600 | .. |
| 12 July | 26.3200 | .. |
| 15 July | 26.0600 | .. |
| 16 July | 26.2800 | .. |
| 17 July | 26.4400 | .. |
| 18 July | 26.2800 | .. |
| 19 July | 26.4300 | .. |
| 22 July | 25.4200 | .. |
| 23 July | 25.0400 | .. |
| 24 July | 25.3300 | .. |
| 25 July | 25.2600 | .. |
| 26 July | 25.0300 | .. |
| 29 July | 25.0000 | .. |
| 30 July | 25.6800 | .. |
| 31 July | 25.4400 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 August | 25.0100 | .. |
| 2 August | 25.3100 | .. |
| 5 August | 24.8900 | .. |
| 6 August | 25.5300 | .. |
| 7 August | 24.9500 | .. |
| 8 August | 25.1100 | .. |
| 9 August | 25.3400 | .. |
| 12 August | 26.0400 | .. |
| 13 August | 26.1500 | .. |
| 14 August | 26.3800 | .. |
| 15 August | 26.8000 | .. |
| 16 August | 27.0000 | .. |
| 19 August | 27.2600 | .. |
| 20 August | 27.1000 | .. |
| 21 August | 27.4100 | .. |
| 22 August | 27.0200 | .. |
| 23 August | 26.9900 | .. |
| 27 August | 27.2200 | .. |
| 28 August | 26.9500 | .. |
| 29 August | 27.5200 | .. |
| 30 August | 27.4700 | .. |
| Day | Rate | Set date |
|---|---|---|
| 2 September | 27.5400 | .. |
| 3 September | 26.5700 | .. |
| 4 September | 27.1000 | .. |
| 5 September | 27.6600 | .. |
| 6 September | 28.2900 | .. |
| 9 September | 28.4900 | .. |
| 10 September | 28.5800 | .. |
| 11 September | 28.3900 | .. |
| 12 September | 27.7300 | .. |
| 13 September | 28.3100 | .. |
| 16 September | 28.5200 | .. |
| 17 September | 27.9700 | .. |
| 18 September | 28.3200 | .. |
| 19 September | 28.3800 | .. |
| 20 September | 28.4300 | .. |
| 23 September | 29.1300 | .. |
| 24 September | 29.1100 | .. |
| 25 September | 29.0600 | .. |
| 26 September | 28.8900 | .. |
| 27 September | 28.8800 | .. |
| 30 September | 28.7500 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 October | 29.0100 | .. |
| 2 October | 28.8200 | .. |
| 3 October | 28.2600 | .. |
| 4 October | 28.1200 | .. |
| 7 October | 28.2300 | .. |
| 8 October | 28.0900 | .. |
| 9 October | 28.1300 | .. |
| 10 October | 27.7400 | .. |
| 11 October | 27.9900 | .. |
| 14 October | 28.5000 | .. |
| 15 October | 28.5000 | .. |
| 16 October | 28.5800 | .. |
| 17 October | 27.9700 | .. |
| 18 October | 27.8400 | .. |
| 21 October | 26.5900 | .. |
| 22 October | 26.4300 | .. |
| 23 October | 26.5100 | .. |
| 24 October | 26.4600 | .. |
| 25 October | 25.4600 | .. |
| 28 October | 25.6800 | .. |
| 29 October | 25.3100 | .. |
| 30 October | 25.3000 | .. |
| 31 October | 25.7200 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 November | 25.4100 | .. |
| 4 November | 25.0200 | .. |
| 5 November | 24.1200 | .. |
| 6 November | 23.7000 | .. |
| 7 November | 23.4800 | .. |
| 8 November | 23.5800 | .. |
| 11 November | 23.7900 | .. |
| 12 November | 23.7200 | .. |
| 13 November | 22.7000 | .. |
| 14 November | 22.8100 | .. |
| 15 November | 23.3500 | .. |
| 18 November | 24.2800 | .. |
| 19 November | 24.0800 | .. |
| 20 November | 24.5300 | .. |
| 21 November | 24.8300 | .. |
| 22 November | 25.2100 | .. |
| 25 November | 24.6700 | .. |
| 26 November | 24.8500 | .. |
| 27 November | 25.2500 | .. |
| 28 November | 25.0100 | .. |
| 29 November | 25.1600 | .. |
| Day | Rate | Set date |
|---|---|---|
| 2 December | 25.6200 | .. |
| 3 December | 25.8500 | .. |
| 4 December | 25.1800 | .. |
| 5 December | 25.8000 | .. |
| 6 December | 25.4600 | .. |
| 9 December | 25.7600 | .. |
| 10 December | 26.4200 | .. |
| 11 December | 26.2500 | .. |
| 12 December | 26.8700 | .. |
| 13 December | 27.2100 | .. |
| 16 December | 28.3800 | .. |
| 17 December | 27.9200 | .. |
| 18 December | 28.4900 | .. |
| 19 December | 28.2200 | .. |
| 20 December | 28.3400 | .. |
| 23 December | 29.7200 | .. |
| 24 December | 29.6100 | .. |
| 27 December | 30.1600 | .. |
| 30 December | 29.6600 | .. |
| 31 December | 28.6600 | .. |