| Day | Rate | Set date |
|---|---|---|
| 3 January | 17.3600 | .. |
| 4 January | 17.0800 | .. |
| 5 January | 17.4200 | .. |
| 6 January | 17.5500 | .. |
| 9 January | 17.7200 | .. |
| 10 January | 17.6900 | .. |
| 11 January | 18.1400 | .. |
| 12 January | 18.1700 | .. |
| 13 January | 18.4800 | .. |
| 16 January | 18.8800 | .. |
| 17 January | 18.9500 | .. |
| 18 January | 19.2600 | .. |
| 19 January | 19.2800 | .. |
| 20 January | 18.8600 | .. |
| 23 January | 18.8600 | .. |
| 24 January | 17.5400 | .. |
| 25 January | 18.1200 | .. |
| 26 January | 17.7200 | .. |
| 27 January | 17.7400 | .. |
| 30 January | 17.2900 | .. |
| 31 January | 17.0300 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 February | 17.5100 | .. |
| 2 February | 17.7300 | .. |
| 3 February | 17.5300 | .. |
| 6 February | 17.3800 | .. |
| 7 February | 17.7000 | .. |
| 8 February | 17.4900 | .. |
| 9 February | 17.3900 | .. |
| 10 February | 17.1100 | .. |
| 13 February | 17.5900 | .. |
| 14 February | 17.4200 | .. |
| 15 February | 18.2500 | .. |
| 16 February | 18.3300 | .. |
| 17 February | 18.5600 | .. |
| 21 February | 18.5900 | .. |
| 22 February | 18.5900 | .. |
| 23 February | 17.8300 | .. |
| 24 February | 18.0700 | .. |
| 27 February | 18.1400 | .. |
| 28 February | 18.1500 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 March | 18.2800 | .. |
| 2 March | 18.7200 | .. |
| 3 March | 18.5600 | .. |
| 6 March | 18.6700 | .. |
| 7 March | 18.3000 | .. |
| 8 March | 18.5400 | .. |
| 9 March | 18.5200 | .. |
| 10 March | 18.5000 | .. |
| 13 March | 19.0300 | .. |
| 14 March | 19.2900 | .. |
| 15 March | 19.7700 | .. |
| 16 March | 19.8400 | .. |
| 17 March | 20.3300 | .. |
| 20 March | 19.5100 | .. |
| 21 March | 19.5100 | .. |
| 22 March | 20.0400 | .. |
| 23 March | 20.1500 | .. |
| 27 March | 20.5300 | .. |
| 28 March | 19.9100 | .. |
| 29 March | 20.2000 | .. |
| 30 March | 20.8100 | .. |
| 31 March | 20.1900 | .. |
| Day | Rate | Set date |
|---|---|---|
| 3 April | 19.9500 | .. |
| 4 April | 20.4200 | .. |
| 5 April | 19.9900 | .. |
| 6 April | 19.8000 | .. |
| 7 April | 20.0200 | .. |
| 10 April | 20.5900 | .. |
| 11 April | 20.6300 | .. |
| 12 April | 20.6400 | .. |
| 13 April | 20.2900 | .. |
| 14 April | 20.6900 | .. |
| 17 April | 21.2200 | .. |
| 18 April | 21.5100 | .. |
| 19 April | 22.6100 | .. |
| 20 April | 24.6500 | .. |
| 21 April | 24.6500 | .. |
| 24 April | 20.6100 | .. |
| 25 April | 21.4100 | .. |
| 26 April | 21.1900 | .. |
| 27 April | 20.9200 | .. |
| 28 April | 20.4200 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 May | 20.6600 | .. |
| 2 May | 19.8000 | .. |
| 3 May | 20.1000 | .. |
| 4 May | 20.5800 | .. |
| 5 May | 20.0200 | .. |
| 8 May | 19.4400 | .. |
| 9 May | 19.7600 | .. |
| 10 May | 19.5200 | .. |
| 11 May | 20.0600 | .. |
| 12 May | 20.0900 | .. |
| 15 May | 20.5100 | .. |
| 16 May | 20.7000 | .. |
| 17 May | 20.1300 | .. |
| 18 May | 20.2000 | .. |
| 19 May | 20.6000 | .. |
| 22 May | 20.9300 | .. |
| 23 May | 20.9300 | .. |
| 24 May | 19.6600 | .. |
| 25 May | 19.4800 | .. |
| 26 May | 19.5200 | .. |
| 30 May | 19.9500 | .. |
| 31 May | 19.9000 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 June | 19.8100 | .. |
| 2 June | 20.1400 | .. |
| 5 June | 20.5200 | .. |
| 6 June | 20.4600 | .. |
| 7 June | 19.6700 | .. |
| 8 June | 20.0000 | .. |
| 9 June | 19.8800 | .. |
| 12 June | 19.2600 | .. |
| 13 June | 19.3400 | .. |
| 14 June | 20.2300 | .. |
| 15 June | 20.5700 | .. |
| 16 June | 19.9500 | .. |
| 19 June | 20.8600 | .. |
| 20 June | 19.5300 | .. |
| 21 June | 19.5300 | .. |
| 22 June | 19.3000 | .. |
| 23 June | 19.7100 | .. |
| 26 June | 20.2500 | .. |
| 27 June | 20.4800 | .. |
| 28 June | 20.0300 | .. |
| 29 June | 20.2600 | .. |
| 30 June | 20.2700 | .. |
| Day | Rate | Set date |
|---|---|---|
| 5 July | 20.7900 | .. |
| 6 July | 20.3000 | .. |
| 7 July | 20.7500 | .. |
| 10 July | 20.3600 | .. |
| 11 July | 20.5300 | .. |
| 12 July | 20.1500 | .. |
| 13 July | 20.3500 | .. |
| 14 July | 20.3200 | .. |
| 17 July | 20.4500 | .. |
| 18 July | 20.3400 | .. |
| 19 July | 19.8500 | .. |
| 20 July | 19.9000 | .. |
| 21 July | 19.5100 | .. |
| 24 July | 18.7400 | .. |
| 25 July | 18.5400 | .. |
| 26 July | 18.3000 | .. |
| 27 July | 18.1200 | .. |
| 28 July | 17.9300 | .. |
| 31 July | 18.3100 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 August | 18.0300 | .. |
| 2 August | 18.2800 | .. |
| 3 August | 18.2100 | .. |
| 4 August | 18.0300 | .. |
| 7 August | 17.9100 | .. |
| 8 August | 18.1200 | .. |
| 9 August | 18.2100 | .. |
| 10 August | 18.5900 | .. |
| 11 August | 18.4800 | .. |
| 14 August | 18.5800 | .. |
| 15 August | 18.6800 | .. |
| 16 August | 18.9700 | .. |
| 17 August | 18.6800 | .. |
| 18 August | 18.8000 | .. |
| 21 August | 19.0800 | .. |
| 22 August | 19.0800 | .. |
| 23 August | 18.8000 | .. |
| 24 August | 18.6100 | .. |
| 25 August | 18.5100 | .. |
| 28 August | 18.6400 | .. |
| 29 August | 18.6400 | .. |
| 30 August | 18.8300 | .. |
| 31 August | 18.8300 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 September | 18.8500 | .. |
| 5 September | 19.0500 | .. |
| 6 September | 19.2800 | .. |
| 7 September | 19.4100 | .. |
| 8 September | 19.7500 | .. |
| 11 September | 19.7600 | .. |
| 12 September | 19.7000 | .. |
| 13 September | 19.8600 | .. |
| 14 September | 19.7200 | .. |
| 15 September | 19.9600 | .. |
| 18 September | 19.8800 | .. |
| 19 September | 19.5600 | .. |
| 20 September | 19.6400 | .. |
| 21 September | 19.6400 | .. |
| 22 September | 19.2800 | .. |
| 25 September | 19.4600 | .. |
| 26 September | 19.5300 | .. |
| 27 September | 19.5900 | .. |
| 28 September | 19.8600 | .. |
| 29 September | 20.1300 | .. |
| Day | Rate | Set date |
|---|---|---|
| 2 October | 20.0100 | .. |
| 3 October | 20.1300 | .. |
| 4 October | 20.1500 | .. |
| 5 October | 19.9600 | .. |
| 6 October | 19.8700 | .. |
| 9 October | 20.0200 | .. |
| 10 October | 20.1700 | .. |
| 11 October | 20.2500 | .. |
| 12 October | 20.4700 | .. |
| 13 October | 20.8900 | .. |
| 16 October | 20.5900 | .. |
| 17 October | 20.7500 | .. |
| 18 October | 20.5600 | .. |
| 19 October | 20.4200 | .. |
| 20 October | 19.9800 | .. |
| 23 October | 19.9800 | .. |
| 24 October | 19.7200 | .. |
| 25 October | 19.6200 | .. |
| 26 October | 19.3800 | .. |
| 27 October | 19.7700 | .. |
| 30 October | 19.7200 | .. |
| 31 October | 19.9400 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 November | 20.0700 | .. |
| 2 November | 20.0100 | .. |
| 3 November | 20.2100 | .. |
| 6 November | 20.1000 | .. |
| 7 November | 20.0200 | .. |
| 8 November | 19.8700 | .. |
| 9 November | 19.9200 | .. |
| 10 November | 19.8400 | .. |
| 13 November | 19.5900 | .. |
| 14 November | 19.5000 | .. |
| 15 November | 19.6700 | .. |
| 16 November | 19.8600 | .. |
| 17 November | 19.9100 | .. |
| 20 November | 20.0700 | .. |
| 21 November | 19.9600 | .. |
| 22 November | 19.8200 | .. |
| 24 November | 19.8200 | .. |
| 27 November | 19.6300 | .. |
| 28 November | 19.2500 | .. |
| 29 November | 19.4000 | .. |
| 30 November | 19.8900 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 December | 20.3000 | .. |
| 4 December | 20.2500 | .. |
| 5 December | 20.3400 | .. |
| 6 December | 20.4700 | .. |
| 7 December | 20.5100 | .. |
| 8 December | 20.4800 | .. |
| 11 December | 20.7000 | .. |
| 12 December | 20.6500 | .. |
| 13 December | 20.7700 | .. |
| 14 December | 20.6500 | .. |
| 15 December | 21.1000 | .. |
| 18 December | 22.2200 | .. |
| 19 December | 22.3300 | .. |
| 20 December | 21.2100 | .. |
| 21 December | 21.5200 | .. |
| 22 December | 21.2900 | .. |
| 26 December | 21.9100 | .. |
| 27 December | 21.7800 | .. |
| 28 December | 21.5000 | .. |
| 29 December | 21.8200 | .. |