| Day | Rate | Set date |
|---|---|---|
| 2 January | 25.6900 | .. |
| 3 January | 25.5900 | .. |
| 6 January | 26.3700 | .. |
| 7 January | 26.2300 | .. |
| 8 January | 26.6200 | .. |
| 9 January | 26.3700 | .. |
| 10 January | 26.0900 | .. |
| 13 January | 25.1900 | .. |
| 14 January | 25.1100 | .. |
| 15 January | 25.9500 | .. |
| 16 January | 25.5200 | .. |
| 17 January | 25.4100 | .. |
| 20 January | 25.2300 | .. |
| 21 January | 24.8000 | .. |
| 22 January | 24.2400 | .. |
| 23 January | 24.1800 | .. |
| 24 January | 24.0500 | .. |
| 27 January | 23.9400 | .. |
| 28 January | 23.9000 | .. |
| 29 January | 24.4700 | .. |
| 30 January | 24.8700 | .. |
| 31 January | 24.1500 | .. |
| Day | Rate | Set date |
|---|---|---|
| 3 February | 24.1500 | .. |
| 4 February | 24.0200 | .. |
| 5 February | 23.9100 | .. |
| 6 February | 23.1000 | .. |
| 7 February | 22.2300 | .. |
| 10 February | 22.4600 | .. |
| 11 February | 22.4200 | .. |
| 12 February | 21.8600 | .. |
| 13 February | 22.0200 | .. |
| 14 February | 22.4100 | .. |
| 18 February | 22.5200 | .. |
| 19 February | 22.7900 | .. |
| 20 February | 21.9800 | .. |
| 21 February | 21.3900 | .. |
| 24 February | 20.7100 | .. |
| 25 February | 21.0000 | .. |
| 26 February | 21.1100 | .. |
| 27 February | 20.8900 | .. |
| 28 February | 20.3000 | .. |
| Day | Rate | Set date |
|---|---|---|
| 3 March | 20.2500 | .. |
| 4 March | 20.6600 | .. |
| 5 March | 20.4900 | .. |
| 6 March | 20.9400 | .. |
| 7 March | 21.2800 | .. |
| 10 March | 20.4900 | .. |
| 11 March | 20.1100 | .. |
| 12 March | 20.6200 | .. |
| 13 March | 20.7000 | .. |
| 14 March | 21.2900 | .. |
| 17 March | 20.9200 | .. |
| 18 March | 22.0600 | .. |
| 19 March | 22.0400 | .. |
| 20 March | 22.3200 | .. |
| 21 March | 21.5100 | .. |
| 24 March | 21.0600 | .. |
| 25 March | 20.9900 | .. |
| 26 March | 20.6400 | .. |
| 27 March | 20.7000 | .. |
| 31 March | 20.4100 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 April | 20.2800 | .. |
| 2 April | 19.4700 | .. |
| 3 April | 19.4700 | .. |
| 4 April | 19.1200 | .. |
| 7 April | 19.2300 | .. |
| 8 April | 19.3500 | .. |
| 9 April | 19.2700 | .. |
| 10 April | 19.5700 | .. |
| 11 April | 19.5300 | .. |
| 14 April | 19.9000 | .. |
| 15 April | 19.8300 | .. |
| 16 April | 19.3500 | .. |
| 17 April | 19.4200 | .. |
| 18 April | 19.9100 | .. |
| 21 April | 20.3800 | .. |
| 22 April | 19.6000 | .. |
| 23 April | 19.7300 | .. |
| 24 April | 20.0300 | .. |
| 25 April | 19.9900 | .. |
| 28 April | 19.9100 | .. |
| 29 April | 20.4400 | .. |
| 30 April | 20.2100 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 May | 19.9100 | .. |
| 2 May | 19.6000 | .. |
| 5 May | 19.6300 | .. |
| 6 May | 19.6600 | .. |
| 7 May | 19.6200 | .. |
| 8 May | 20.3400 | .. |
| 9 May | 20.4300 | .. |
| 12 May | 21.3800 | .. |
| 13 May | 21.3700 | .. |
| 14 May | 21.3900 | .. |
| 15 May | 21.3000 | .. |
| 16 May | 22.1200 | .. |
| 19 May | 21.5900 | .. |
| 20 May | 21.1900 | .. |
| 21 May | 21.8600 | .. |
| 22 May | 21.8600 | .. |
| 23 May | 21.6300 | .. |
| 27 May | 20.7900 | .. |
| 28 May | 20.7900 | .. |
| 29 May | 20.9700 | .. |
| 30 May | 20.8800 | .. |
| Day | Rate | Set date |
|---|---|---|
| 2 June | 20.9800 | .. |
| 3 June | 20.3300 | .. |
| 4 June | 20.1200 | .. |
| 5 June | 19.6600 | .. |
| 6 June | 18.7900 | .. |
| 9 June | 18.6800 | .. |
| 10 June | 18.6700 | .. |
| 11 June | 18.5300 | .. |
| 12 June | 18.6900 | .. |
| 13 June | 18.8300 | .. |
| 16 June | 19.0100 | .. |
| 17 June | 19.2300 | .. |
| 18 June | 18.7900 | .. |
| 19 June | 18.6700 | .. |
| 20 June | 18.6500 | .. |
| 23 June | 19.1400 | .. |
| 24 June | 19.0300 | .. |
| 25 June | 19.5200 | .. |
| 26 June | 19.0900 | .. |
| 27 June | 19.4600 | .. |
| 30 June | 19.8000 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 July | 20.1200 | .. |
| 2 July | 20.3400 | .. |
| 3 July | 19.5600 | .. |
| 7 July | 19.5200 | .. |
| 8 July | 19.7300 | .. |
| 9 July | 19.4600 | .. |
| 10 July | 19.2200 | .. |
| 11 July | 19.3300 | .. |
| 14 July | 18.9900 | .. |
| 15 July | 19.6700 | .. |
| 16 July | 19.6500 | .. |
| 17 July | 19.9900 | .. |
| 18 July | 19.2700 | .. |
| 21 July | 19.1800 | .. |
| 22 July | 19.0800 | .. |
| 23 July | 19.6300 | .. |
| 24 July | 19.7700 | .. |
| 25 July | 19.8900 | .. |
| 28 July | 19.8100 | .. |
| 29 July | 19.8500 | .. |
| 30 July | 20.3000 | .. |
| 31 July | 20.1400 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 August | 20.2800 | .. |
| 4 August | 20.7500 | .. |
| 5 August | 20.8100 | .. |
| 6 August | 20.4600 | .. |
| 7 August | 20.0900 | .. |
| 8 August | 19.5400 | .. |
| 11 August | 19.6900 | .. |
| 12 August | 19.9900 | .. |
| 13 August | 20.1900 | .. |
| 14 August | 20.0800 | .. |
| 15 August | 20.0700 | .. |
| 18 August | 19.9100 | .. |
| 19 August | 20.1200 | .. |
| 20 August | 20.0600 | .. |
| 21 August | 19.6600 | .. |
| 22 August | 19.7000 | .. |
| 25 August | 19.2600 | .. |
| 26 August | 19.2800 | .. |
| 27 August | 19.7300 | .. |
| 28 August | 19.5800 | .. |
| 29 August | 19.6100 | .. |
| Day | Rate | Set date |
|---|---|---|
| 2 September | 19.6500 | .. |
| 3 September | 19.6100 | .. |
| 4 September | 19.4000 | .. |
| 5 September | 19.6300 | .. |
| 8 September | 19.4500 | .. |
| 9 September | 19.4200 | .. |
| 10 September | 19.4200 | .. |
| 11 September | 19.3700 | .. |
| 12 September | 19.3200 | .. |
| 15 September | 19.2700 | .. |
| 16 September | 19.6100 | .. |
| 17 September | 19.4200 | .. |
| 18 September | 19.3800 | .. |
| 19 September | 19.3500 | .. |
| 22 September | 19.6000 | .. |
| 23 September | 19.7900 | .. |
| 24 September | 19.9400 | .. |
| 25 September | 20.3900 | .. |
| 26 September | 20.8700 | .. |
| 29 September | 21.2600 | .. |
| 30 September | 21.1800 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 October | 21.0500 | .. |
| 2 October | 21.7700 | .. |
| 3 October | 22.7600 | .. |
| 6 October | 21.9300 | .. |
| 7 October | 21.9600 | .. |
| 8 October | 22.1800 | .. |
| 9 October | 22.1200 | .. |
| 10 October | 22.1000 | .. |
| 13 October | 21.3200 | .. |
| 14 October | 20.7000 | .. |
| 15 October | 20.5700 | .. |
| 16 October | 20.9700 | .. |
| 17 October | 20.5900 | .. |
| 20 October | 20.7000 | .. |
| 21 October | 20.6700 | .. |
| 22 October | 21.4200 | .. |
| 23 October | 21.0900 | .. |
| 24 October | 20.9700 | .. |
| 27 October | 21.0700 | .. |
| 28 October | 20.4600 | .. |
| 29 October | 20.7100 | .. |
| 30 October | 21.2200 | .. |
| 31 October | 21.0800 | .. |
| Day | Rate | Set date |
|---|---|---|
| 3 November | 20.9600 | .. |
| 4 November | 20.7000 | .. |
| 5 November | 20.3100 | .. |
| 6 November | 20.3900 | .. |
| 7 November | 20.7700 | .. |
| 10 November | 20.4000 | .. |
| 11 November | 20.5100 | .. |
| 12 November | 20.4900 | .. |
| 13 November | 20.7000 | .. |
| 14 November | 21.0000 | .. |
| 17 November | 20.2600 | .. |
| 18 November | 20.0400 | .. |
| 19 November | 19.8000 | .. |
| 20 November | 19.1600 | .. |
| 21 November | 19.7600 | .. |
| 24 November | 19.8300 | .. |
| 25 November | 19.7300 | .. |
| 26 November | 19.1500 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 December | 18.6600 | .. |
| 2 December | 18.7600 | .. |
| 3 December | 18.8000 | .. |
| 4 December | 18.6000 | .. |
| 5 December | 18.7100 | .. |
| 8 December | 18.8400 | .. |
| 9 December | 18.6700 | .. |
| 10 December | 18.1400 | .. |
| 11 December | 18.1500 | .. |
| 12 December | 18.2100 | .. |
| 15 December | 18.1700 | .. |
| 16 December | 18.1700 | .. |
| 17 December | 18.1900 | .. |
| 18 December | 18.5200 | .. |
| 19 December | 18.3900 | .. |
| 22 December | 18.3200 | .. |
| 23 December | 18.3300 | .. |
| 24 December | 18.3500 | .. |
| 26 December | 18.2000 | .. |
| 29 December | 17.6200 | .. |
| 30 December | 17.6000 | .. |
| 31 December | 17.6400 | .. |