| Day | Rate | Set date |
|---|---|---|
| 2 January | 19.8100 | .. |
| 3 January | 19.8900 | .. |
| 4 January | 19.9100 | .. |
| 5 January | 20.2600 | .. |
| 9 January | 19.9500 | .. |
| 10 January | 19.6700 | .. |
| 11 January | 18.7900 | .. |
| 12 January | 18.2500 | .. |
| 15 January | 18.3800 | .. |
| 16 January | 18.0500 | .. |
| 17 January | 18.5200 | .. |
| 18 January | 19.1800 | .. |
| 19 January | 18.9400 | .. |
| 22 January | 18.6200 | .. |
| 23 January | 18.0600 | .. |
| 24 January | 18.2800 | .. |
| 25 January | 17.6700 | .. |
| 26 January | 17.7300 | .. |
| 29 January | 17.4500 | .. |
| 30 January | 17.5600 | .. |
| 31 January | 17.7400 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 February | 17.7100 | .. |
| 2 February | 17.8000 | .. |
| 5 February | 17.5400 | .. |
| 6 February | 17.6900 | .. |
| 7 February | 17.7400 | .. |
| 8 February | 17.7600 | .. |
| 9 February | 17.7800 | .. |
| 12 February | 17.9700 | .. |
| 13 February | 18.9100 | .. |
| 14 February | 18.9600 | .. |
| 15 February | 19.0400 | .. |
| 16 February | 19.1600 | .. |
| 20 February | 21.0500 | .. |
| 21 February | 19.7100 | .. |
| 22 February | 19.8500 | .. |
| 23 February | 19.0600 | .. |
| 26 February | 19.3900 | .. |
| 27 February | 19.7000 | .. |
| 28 February | 19.2900 | .. |
| 29 February | 19.5400 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 March | 19.4400 | .. |
| 4 March | 19.2000 | .. |
| 5 March | 19.5400 | .. |
| 6 March | 20.1900 | .. |
| 7 March | 19.8100 | .. |
| 8 March | 19.6100 | .. |
| 11 March | 19.9100 | .. |
| 12 March | 20.4600 | .. |
| 13 March | 20.5800 | .. |
| 14 March | 21.1600 | .. |
| 15 March | 21.9900 | .. |
| 18 March | 23.2700 | .. |
| 19 March | 24.3400 | .. |
| 20 March | 23.0600 | .. |
| 21 March | 21.0500 | .. |
| 22 March | 21.9500 | .. |
| 25 March | 22.4000 | .. |
| 26 March | 22.1900 | .. |
| 27 March | 21.7900 | .. |
| 28 March | 21.4100 | .. |
| 29 March | 21.4700 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 April | 22.2600 | .. |
| 2 April | 22.7000 | .. |
| 3 April | 22.2700 | .. |
| 4 April | 22.7500 | .. |
| 8 April | 23.0300 | .. |
| 9 April | 23.0600 | .. |
| 10 April | 24.2100 | .. |
| 11 April | 25.3400 | .. |
| 12 April | 24.2900 | .. |
| 15 April | 25.0600 | .. |
| 16 April | 24.4700 | .. |
| 17 April | 24.6700 | .. |
| 18 April | 23.8200 | .. |
| 19 April | 23.9500 | .. |
| 22 April | 24.0700 | .. |
| 23 April | 22.7000 | .. |
| 24 April | 22.4000 | .. |
| 25 April | 22.2000 | .. |
| 26 April | 22.3200 | .. |
| 29 April | 22.4300 | .. |
| 30 April | 21.2000 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 May | 20.8100 | .. |
| 2 May | 20.8600 | .. |
| 3 May | 21.1800 | .. |
| 6 May | 21.0400 | .. |
| 7 May | 21.1100 | .. |
| 8 May | 21.0000 | .. |
| 9 May | 20.6800 | .. |
| 10 May | 21.0100 | .. |
| 13 May | 21.3600 | .. |
| 14 May | 21.4200 | .. |
| 15 May | 21.4800 | .. |
| 16 May | 20.7800 | .. |
| 17 May | 20.6400 | .. |
| 20 May | 22.4800 | .. |
| 21 May | 22.6500 | .. |
| 22 May | 21.4000 | .. |
| 23 May | 21.2300 | .. |
| 24 May | 21.3200 | .. |
| 28 May | 21.1100 | .. |
| 29 May | 20.7600 | .. |
| 30 May | 19.9400 | .. |
| 31 May | 19.7600 | .. |
| Day | Rate | Set date |
|---|---|---|
| 3 June | 19.8500 | .. |
| 4 June | 20.4400 | .. |
| 5 June | 19.7200 | .. |
| 6 June | 20.0500 | .. |
| 7 June | 20.2800 | .. |
| 10 June | 20.2500 | .. |
| 11 June | 20.1000 | .. |
| 12 June | 20.0900 | .. |
| 13 June | 20.0100 | .. |
| 14 June | 20.3400 | .. |
| 17 June | 22.1400 | .. |
| 18 June | 21.4600 | .. |
| 19 June | 20.7600 | .. |
| 20 June | 20.6500 | .. |
| 21 June | 19.9200 | .. |
| 24 June | 19.9800 | .. |
| 25 June | 19.9600 | .. |
| 26 June | 20.6500 | .. |
| 27 June | 21.0200 | .. |
| 28 June | 20.9200 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 July | 21.5300 | .. |
| 2 July | 21.1300 | .. |
| 3 July | 21.2100 | .. |
| 8 July | 21.2700 | .. |
| 9 July | 21.4100 | .. |
| 10 July | 21.5500 | .. |
| 11 July | 21.9500 | .. |
| 12 July | 21.9000 | .. |
| 15 July | 22.4800 | .. |
| 16 July | 22.3800 | .. |
| 17 July | 21.8000 | .. |
| 18 July | 21.6800 | .. |
| 19 July | 21.0000 | .. |
| 22 July | 21.4000 | .. |
| 23 July | 21.0100 | .. |
| 24 July | 20.6800 | .. |
| 25 July | 20.7400 | .. |
| 26 July | 20.1100 | .. |
| 29 July | 20.2800 | .. |
| 30 July | 20.3300 | .. |
| 31 July | 20.4200 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 August | 21.0400 | .. |
| 2 August | 21.3400 | .. |
| 5 August | 21.2300 | .. |
| 6 August | 21.1300 | .. |
| 7 August | 21.4200 | .. |
| 8 August | 21.5500 | .. |
| 9 August | 21.5700 | .. |
| 12 August | 22.2200 | .. |
| 13 August | 22.3700 | .. |
| 14 August | 22.1200 | .. |
| 15 August | 21.9000 | .. |
| 16 August | 22.6600 | .. |
| 19 August | 23.2600 | .. |
| 20 August | 22.8600 | .. |
| 21 August | 21.7200 | .. |
| 22 August | 22.3000 | .. |
| 23 August | 21.9600 | .. |
| 26 August | 21.6200 | .. |
| 27 August | 21.5600 | .. |
| 28 August | 21.7100 | .. |
| 29 August | 22.1500 | .. |
| 30 August | 22.2500 | .. |
| Day | Rate | Set date |
|---|---|---|
| 3 September | 23.4000 | .. |
| 4 September | 23.2400 | .. |
| 5 September | 23.4400 | .. |
| 6 September | 23.8500 | .. |
| 9 September | 23.7300 | .. |
| 10 September | 24.1200 | .. |
| 11 September | 24.7500 | .. |
| 12 September | 25.0000 | .. |
| 13 September | 24.5100 | .. |
| 16 September | 23.1900 | .. |
| 17 September | 23.3100 | .. |
| 18 September | 23.8900 | .. |
| 19 September | 23.5400 | .. |
| 20 September | 23.6300 | .. |
| 23 September | 23.3700 | .. |
| 24 September | 24.0700 | .. |
| 25 September | 24.4600 | .. |
| 26 September | 24.1600 | .. |
| 27 September | 24.6000 | .. |
| 30 September | 24.3800 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 October | 24.1400 | .. |
| 2 October | 24.0500 | .. |
| 3 October | 24.8100 | .. |
| 4 October | 24.7300 | .. |
| 7 October | 25.2400 | .. |
| 8 October | 25.5400 | .. |
| 9 October | 25.0700 | .. |
| 10 October | 24.2600 | .. |
| 11 October | 24.6600 | .. |
| 14 October | 25.6200 | .. |
| 15 October | 25.4200 | .. |
| 16 October | 25.1700 | .. |
| 17 October | 25.4200 | .. |
| 18 October | 25.7900 | .. |
| 21 October | 25.9200 | .. |
| 22 October | 25.7500 | .. |
| 23 October | 24.8600 | .. |
| 24 October | 24.5100 | .. |
| 25 October | 24.8600 | .. |
| 28 October | 24.8500 | .. |
| 29 October | 24.3400 | .. |
| 30 October | 24.2800 | .. |
| 31 October | 23.3500 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 November | 23.0300 | .. |
| 4 November | 22.7900 | .. |
| 5 November | 22.6400 | .. |
| 6 November | 22.6900 | .. |
| 7 November | 22.7400 | .. |
| 8 November | 23.5900 | .. |
| 11 November | 23.3700 | .. |
| 12 November | 23.3500 | .. |
| 13 November | 24.1200 | .. |
| 14 November | 24.4100 | .. |
| 15 November | 24.1700 | .. |
| 18 November | 23.8800 | .. |
| 19 November | 24.4900 | .. |
| 20 November | 23.7600 | .. |
| 21 November | 23.8400 | .. |
| 22 November | 23.7500 | .. |
| 25 November | 23.4900 | .. |
| 26 November | 23.6200 | .. |
| 27 November | 23.7500 | .. |
| Day | Rate | Set date |
|---|---|---|
| 2 December | 24.8000 | .. |
| 3 December | 24.9300 | .. |
| 4 December | 24.8000 | .. |
| 5 December | 25.5800 | .. |
| 6 December | 25.6200 | .. |
| 9 December | 25.3000 | .. |
| 10 December | 24.4200 | .. |
| 11 December | 23.3800 | .. |
| 12 December | 23.7200 | .. |
| 13 December | 24.4700 | .. |
| 16 December | 25.7400 | .. |
| 17 December | 25.7100 | .. |
| 18 December | 26.1600 | .. |
| 19 December | 26.5700 | .. |
| 20 December | 25.0800 | .. |
| 23 December | 24.7900 | .. |
| 24 December | 25.1000 | .. |
| 26 December | 24.9200 | .. |
| 27 December | 25.2200 | .. |
| 30 December | 25.3700 | .. |
| 31 December | 25.9200 | .. |