| Day | Rate | Set date |
|---|---|---|
| 4 January | 12.3400 | .. |
| 5 January | 11.9900 | .. |
| 6 January | 12.8000 | .. |
| 7 January | 13.0900 | .. |
| 8 January | 13.0700 | .. |
| 11 January | 13.4400 | .. |
| 12 January | 12.8900 | .. |
| 13 January | 12.3100 | .. |
| 14 January | 12.1500 | .. |
| 15 January | 12.1100 | .. |
| 19 January | 12.0800 | .. |
| 20 January | 11.8100 | .. |
| 21 January | 12.4600 | .. |
| 22 January | 12.6900 | .. |
| 25 January | 12.4400 | .. |
| 26 January | 12.0600 | .. |
| 27 January | 12.3200 | .. |
| 28 January | 12.4500 | .. |
| 29 January | 12.7500 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 February | 12.3700 | .. |
| 2 February | 12.3000 | .. |
| 3 February | 12.3800 | .. |
| 4 February | 12.0200 | .. |
| 5 February | 11.8000 | .. |
| 8 February | 11.6700 | .. |
| 9 February | 11.6800 | .. |
| 10 February | 11.7500 | .. |
| 11 February | 11.8500 | .. |
| 12 February | 11.8800 | .. |
| 16 February | 11.3700 | .. |
| 17 February | 11.5300 | .. |
| 18 February | 12.0400 | .. |
| 19 February | 11.7600 | .. |
| 22 February | 11.9600 | .. |
| 23 February | 12.4800 | .. |
| 24 February | 12.6100 | .. |
| 25 February | 12.6800 | .. |
| 26 February | 12.2700 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 March | 12.2400 | .. |
| 2 March | 12.5100 | .. |
| 3 March | 12.9300 | .. |
| 4 March | 13.3500 | .. |
| 5 March | 13.3000 | .. |
| 8 March | 13.6300 | .. |
| 9 March | 13.8500 | .. |
| 10 March | 14.6900 | .. |
| 11 March | 14.3100 | .. |
| 12 March | 14.4900 | .. |
| 15 March | 14.4500 | .. |
| 16 March | 14.4600 | .. |
| 17 March | 15.0500 | .. |
| 18 March | 15.0000 | .. |
| 19 March | 15.2400 | .. |
| 22 March | 15.5000 | .. |
| 23 March | 15.5100 | .. |
| 24 March | 15.3400 | .. |
| 25 March | 15.6700 | .. |
| 26 March | 16.1700 | .. |
| 29 March | 16.4400 | .. |
| 30 March | 16.8000 | .. |
| 31 March | 16.7600 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 April | 16.6400 | .. |
| 5 April | 16.9500 | .. |
| 6 April | 16.8100 | .. |
| 7 April | 16.0300 | .. |
| 8 April | 15.8300 | .. |
| 9 April | 16.5700 | .. |
| 12 April | 16.4000 | .. |
| 13 April | 16.7200 | .. |
| 14 April | 16.4700 | .. |
| 15 April | 16.8700 | .. |
| 16 April | 17.3300 | .. |
| 19 April | 17.8000 | .. |
| 20 April | 17.7800 | .. |
| 21 April | 17.9200 | .. |
| 22 April | 18.1800 | .. |
| 23 April | 17.9400 | .. |
| 26 April | 17.6600 | .. |
| 27 April | 17.8100 | .. |
| 28 April | 18.4500 | .. |
| 29 April | 18.5300 | .. |
| 30 April | 18.6600 | .. |
| Day | Rate | Set date |
|---|---|---|
| 3 May | 18.8500 | .. |
| 4 May | 18.9200 | .. |
| 5 May | 18.9800 | .. |
| 6 May | 18.3200 | .. |
| 7 May | 18.2200 | .. |
| 10 May | 18.5000 | .. |
| 11 May | 18.0600 | .. |
| 12 May | 17.5700 | .. |
| 13 May | 18.0300 | .. |
| 14 May | 18.0400 | .. |
| 17 May | 17.9400 | .. |
| 18 May | 17.1100 | .. |
| 19 May | 16.8800 | .. |
| 20 May | 17.0300 | .. |
| 21 May | 17.4100 | .. |
| 24 May | 17.0600 | .. |
| 25 May | 17.1400 | .. |
| 26 May | 17.3500 | .. |
| 27 May | 17.1700 | .. |
| 28 May | 16.8400 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 June | 16.3400 | .. |
| 2 June | 16.6500 | .. |
| 3 June | 16.7400 | .. |
| 4 June | 17.3200 | .. |
| 7 June | 17.8600 | .. |
| 8 June | 17.6600 | .. |
| 9 June | 17.9900 | .. |
| 10 June | 17.8500 | .. |
| 11 June | 18.4300 | .. |
| 14 June | 18.3300 | .. |
| 15 June | 18.5500 | .. |
| 16 June | 17.9400 | .. |
| 17 June | 18.1900 | .. |
| 18 June | 17.9900 | .. |
| 21 June | 17.7000 | .. |
| 22 June | 17.6100 | .. |
| 23 June | 18.4500 | .. |
| 24 June | 18.2900 | .. |
| 25 June | 18.3900 | .. |
| 28 June | 18.2300 | .. |
| 29 June | 18.4400 | .. |
| 30 June | 19.2900 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 July | 19.3900 | .. |
| 2 July | 19.6900 | .. |
| 6 July | 19.7800 | .. |
| 7 July | 19.7700 | .. |
| 8 July | 19.7100 | .. |
| 9 July | 19.9400 | .. |
| 12 July | 19.9100 | .. |
| 13 July | 20.1500 | .. |
| 14 July | 19.9200 | .. |
| 15 July | 20.1600 | .. |
| 16 July | 20.6200 | .. |
| 19 July | 20.4400 | .. |
| 20 July | 19.3700 | .. |
| 21 July | 19.6500 | .. |
| 22 July | 19.9400 | .. |
| 23 July | 20.6300 | .. |
| 26 July | 20.5200 | .. |
| 27 July | 20.3800 | .. |
| 28 July | 20.5400 | .. |
| 29 July | 20.9700 | .. |
| 30 July | 20.5300 | .. |
| Day | Rate | Set date |
|---|---|---|
| 2 August | 20.4500 | .. |
| 3 August | 20.3000 | .. |
| 4 August | 20.4400 | .. |
| 5 August | 20.5600 | .. |
| 6 August | 20.8800 | .. |
| 9 August | 21.2700 | .. |
| 10 August | 21.3000 | .. |
| 11 August | 21.5200 | .. |
| 12 August | 21.4800 | .. |
| 13 August | 21.6700 | .. |
| 16 August | 21.3600 | .. |
| 17 August | 21.7400 | .. |
| 18 August | 21.5200 | .. |
| 19 August | 21.7700 | .. |
| 20 August | 21.6500 | .. |
| 23 August | 21.8400 | .. |
| 24 August | 21.4700 | .. |
| 25 August | 20.5800 | .. |
| 26 August | 20.9500 | .. |
| 27 August | 21.2700 | .. |
| 30 August | 22.0100 | .. |
| 31 August | 22.1100 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 September | 21.9900 | .. |
| 2 September | 21.4900 | .. |
| 3 September | 22.0000 | .. |
| 7 September | 22.6100 | .. |
| 8 September | 22.6600 | .. |
| 9 September | 23.2000 | .. |
| 10 September | 23.5500 | .. |
| 13 September | 24.2100 | .. |
| 14 September | 23.8600 | .. |
| 15 September | 24.1300 | .. |
| 16 September | 24.5100 | .. |
| 17 September | 24.7200 | .. |
| 20 September | 24.2900 | .. |
| 21 September | 24.4600 | .. |
| 22 September | 24.1200 | .. |
| 23 September | 24.8700 | .. |
| 24 September | 24.7600 | .. |
| 27 September | 24.6100 | .. |
| 28 September | 24.3300 | .. |
| 29 September | 24.6900 | .. |
| 30 September | 24.5100 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 October | 24.5400 | .. |
| 4 October | 23.7600 | .. |
| 5 October | 23.4500 | .. |
| 6 October | 23.2700 | .. |
| 7 October | 22.4500 | .. |
| 8 October | 20.9000 | .. |
| 11 October | 21.2700 | .. |
| 12 October | 22.3000 | .. |
| 13 October | 23.0600 | .. |
| 14 October | 22.4500 | .. |
| 15 October | 22.8200 | .. |
| 18 October | 22.5300 | .. |
| 19 October | 22.2200 | .. |
| 20 October | 22.2000 | .. |
| 21 October | 22.6100 | .. |
| 22 October | 23.4500 | .. |
| 25 October | 23.3500 | .. |
| 26 October | 23.1900 | .. |
| 27 October | 22.9200 | .. |
| 28 October | 21.6800 | .. |
| 29 October | 21.7500 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 November | 22.5100 | .. |
| 2 November | 22.3900 | .. |
| 3 November | 22.5600 | .. |
| 4 November | 23.1400 | .. |
| 5 November | 23.0000 | .. |
| 8 November | 23.2700 | .. |
| 9 November | 24.0300 | .. |
| 10 November | 24.4700 | .. |
| 11 November | 24.3300 | .. |
| 12 November | 24.9100 | .. |
| 15 November | 25.1300 | .. |
| 16 November | 25.7000 | .. |
| 17 November | 26.6000 | .. |
| 18 November | 25.8000 | .. |
| 19 November | 26.5600 | .. |
| 22 November | 27.0700 | .. |
| 23 November | 26.4400 | .. |
| 24 November | 26.8700 | .. |
| 29 November | 25.9600 | .. |
| 30 November | 24.5900 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 December | 25.0000 | .. |
| 2 December | 25.8200 | .. |
| 3 December | 25.8100 | .. |
| 6 December | 26.6600 | .. |
| 7 December | 26.2200 | .. |
| 8 December | 26.5400 | .. |
| 9 December | 26.1500 | .. |
| 10 December | 25.2300 | .. |
| 13 December | 25.3800 | .. |
| 14 December | 25.7300 | .. |
| 15 December | 26.3600 | .. |
| 16 December | 26.8300 | .. |
| 17 December | 26.7400 | .. |
| 20 December | 26.5400 | .. |
| 21 December | 26.2600 | .. |
| 22 December | 25.5000 | .. |
| 23 December | 25.8700 | .. |
| 27 December | 26.3300 | .. |
| 28 December | 26.8200 | .. |
| 29 December | 26.4700 | .. |
| 30 December | 25.6000 | .. |