| Day | Rate | Set date |
|---|---|---|
| 4 January | 24.3900 | .. |
| 5 January | 23.7300 | .. |
| 6 January | 23.6200 | .. |
| 7 January | 23.0900 | .. |
| 10 January | 23.7300 | .. |
| 11 January | 24.6200 | .. |
| 12 January | 24.8100 | .. |
| 13 January | 24.9800 | .. |
| 14 January | 25.4700 | .. |
| 17 January | 25.6500 | .. |
| 18 January | 26.0500 | .. |
| 19 January | 25.8400 | .. |
| 20 January | 26.1000 | .. |
| 21 January | 26.3500 | .. |
| 24 January | 26.0600 | .. |
| 25 January | 26.5400 | .. |
| 26 January | 26.1300 | .. |
| 27 January | 25.6200 | .. |
| 28 January | 25.6800 | .. |
| 31 January | 25.9700 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 February | 26.3900 | .. |
| 2 February | 25.9300 | .. |
| 3 February | 26.6600 | .. |
| 4 February | 27.0700 | .. |
| 7 February | 26.8800 | .. |
| 8 February | 26.3700 | .. |
| 9 February | 26.9200 | .. |
| 10 February | 27.4800 | .. |
| 11 February | 27.8200 | .. |
| 14 February | 28.7600 | .. |
| 15 February | 27.1300 | .. |
| 16 February | 27.3700 | .. |
| 17 February | 26.6700 | .. |
| 18 February | 26.2200 | .. |
| 21 February | 25.9300 | .. |
| 22 February | 26.5800 | .. |
| 23 February | 27.0600 | .. |
| 24 February | 27.3700 | .. |
| 25 February | 27.4800 | .. |
| 28 February | 27.4100 | .. |
| 29 February | 28.0900 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 March | 29.0600 | .. |
| 2 March | 29.2200 | .. |
| 3 March | 28.9900 | .. |
| 6 March | 29.6300 | .. |
| 7 March | 31.9000 | .. |
| 8 March | 28.8000 | .. |
| 9 March | 29.2900 | .. |
| 10 March | 28.9400 | .. |
| 13 March | 28.8900 | .. |
| 14 March | 28.3400 | .. |
| 15 March | 27.5300 | .. |
| 16 March | 27.4100 | .. |
| 17 March | 26.5600 | .. |
| 20 March | 25.2100 | .. |
| 21 March | 25.7200 | .. |
| 22 March | 25.4000 | .. |
| 23 March | 25.4800 | .. |
| 24 March | 25.9100 | .. |
| 27 March | 25.6800 | .. |
| 28 March | 25.5100 | .. |
| 29 March | 24.4000 | .. |
| 30 March | 24.6300 | .. |
| 31 March | 24.7700 | .. |
| Day | Rate | Set date |
|---|---|---|
| 3 April | 24.5100 | .. |
| 4 April | 23.6500 | .. |
| 5 April | 23.7500 | .. |
| 6 April | 23.4500 | .. |
| 7 April | 22.5800 | .. |
| 10 April | 21.3000 | .. |
| 11 April | 21.6700 | .. |
| 12 April | 23.1200 | .. |
| 13 April | 22.6600 | .. |
| 14 April | 22.4100 | .. |
| 17 April | 22.7400 | .. |
| 18 April | 23.0500 | .. |
| 19 April | 23.7700 | .. |
| 20 April | 23.8300 | .. |
| 25 April | 23.3300 | .. |
| 26 April | 22.9800 | .. |
| 27 April | 23.7600 | .. |
| 28 April | 23.8900 | .. |
| Day | Rate | Set date |
|---|---|---|
| 2 May | 25.0800 | .. |
| 3 May | 25.0000 | .. |
| 4 May | 25.1500 | .. |
| 5 May | 25.2900 | .. |
| 8 May | 26.0800 | .. |
| 9 May | 26.8200 | .. |
| 10 May | 26.4200 | .. |
| 11 May | 27.4500 | .. |
| 12 May | 28.0500 | .. |
| 15 May | 28.3300 | .. |
| 16 May | 28.7800 | .. |
| 17 May | 27.8900 | .. |
| 18 May | 28.9200 | .. |
| 19 May | 28.5900 | .. |
| 22 May | 27.4300 | .. |
| 23 May | 27.5000 | .. |
| 24 May | 28.6100 | .. |
| 25 May | 29.1900 | .. |
| 26 May | 29.2200 | .. |
| 30 May | 28.9600 | .. |
| 31 May | 28.3100 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 June | 29.1900 | .. |
| 2 June | 29.0500 | .. |
| 5 June | 28.3700 | .. |
| 6 June | 28.5900 | .. |
| 7 June | 29.2200 | .. |
| 8 June | 29.0700 | .. |
| 9 June | 29.5800 | .. |
| 12 June | 31.2100 | .. |
| 13 June | 31.4900 | .. |
| 14 June | 31.0200 | .. |
| 15 June | 31.2600 | .. |
| 16 June | 28.3500 | .. |
| 19 June | 27.9800 | .. |
| 20 June | 29.0200 | .. |
| 21 June | 29.3300 | .. |
| 22 June | 30.1500 | .. |
| 23 June | 30.3900 | .. |
| 26 June | 29.7500 | .. |
| 27 June | 30.2400 | .. |
| 28 June | 30.1100 | .. |
| 29 June | 30.8000 | .. |
| 30 June | 30.5700 | .. |
| Day | Rate | Set date |
|---|---|---|
| 3 July | 31.1000 | .. |
| 4 July | 29.5800 | .. |
| 5 July | 29.3800 | .. |
| 6 July | 29.6700 | .. |
| 7 July | 29.7000 | .. |
| 10 July | 28.8500 | .. |
| 11 July | 29.2200 | .. |
| 12 July | 29.6700 | .. |
| 13 July | 30.2600 | .. |
| 14 July | 29.8800 | .. |
| 17 July | 28.5600 | .. |
| 18 July | 29.3200 | .. |
| 19 July | 28.8800 | .. |
| 20 July | 28.2700 | .. |
| 21 July | 27.5200 | .. |
| 24 July | 26.9200 | .. |
| 25 July | 26.9400 | .. |
| 26 July | 26.8300 | .. |
| 27 July | 27.1500 | .. |
| 28 July | 27.3600 | .. |
| 31 July | 26.9300 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 August | 27.1400 | .. |
| 2 August | 27.5900 | .. |
| 3 August | 28.3100 | .. |
| 4 August | 29.3700 | .. |
| 7 August | 28.5200 | .. |
| 8 August | 28.9000 | .. |
| 9 August | 29.8700 | .. |
| 10 August | 30.8800 | .. |
| 11 August | 30.5700 | .. |
| 14 August | 31.4800 | .. |
| 15 August | 32.1800 | .. |
| 16 August | 32.5300 | .. |
| 17 August | 30.1600 | .. |
| 18 August | 30.4400 | .. |
| 21 August | 30.6000 | .. |
| 22 August | 29.9300 | .. |
| 23 August | 30.6900 | .. |
| 24 August | 30.3500 | .. |
| 25 August | 30.3900 | .. |
| 29 August | 31.3600 | .. |
| 30 August | 31.9800 | .. |
| 31 August | 31.7200 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 September | 31.8500 | .. |
| 4 September | 32.8400 | .. |
| 5 September | 32.9800 | .. |
| 6 September | 34.2800 | .. |
| 7 September | 34.5500 | .. |
| 8 September | 32.7800 | .. |
| 11 September | 33.6200 | .. |
| 12 September | 32.4800 | .. |
| 13 September | 31.5300 | .. |
| 14 September | 31.9400 | .. |
| 15 September | 33.9800 | .. |
| 18 September | 34.4600 | .. |
| 19 September | 33.6300 | .. |
| 20 September | 33.7400 | .. |
| 21 September | 32.7300 | .. |
| 22 September | 31.2500 | .. |
| 25 September | 30.2400 | .. |
| 26 September | 30.4200 | .. |
| 27 September | 30.5400 | .. |
| 28 September | 29.2600 | .. |
| 29 September | 29.8400 | .. |
| Day | Rate | Set date |
|---|---|---|
| 2 October | 31.0800 | .. |
| 3 October | 31.0500 | .. |
| 4 October | 30.5200 | .. |
| 5 October | 29.8900 | .. |
| 6 October | 30.1000 | .. |
| 9 October | 30.7600 | .. |
| 10 October | 31.8500 | .. |
| 11 October | 31.7900 | .. |
| 12 October | 34.5900 | .. |
| 13 October | 32.5200 | .. |
| 16 October | 31.9000 | .. |
| 17 October | 31.1300 | .. |
| 18 October | 31.1000 | .. |
| 19 October | 30.7400 | .. |
| 20 October | 31.6200 | .. |
| 23 October | 32.0900 | .. |
| 24 October | 31.5900 | .. |
| 25 October | 31.3600 | .. |
| 26 October | 31.9600 | .. |
| 27 October | 30.9500 | .. |
| 30 October | 31.1400 | .. |
| 31 October | 30.7600 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 November | 31.3100 | .. |
| 2 November | 30.7800 | .. |
| 3 November | 30.8500 | .. |
| 6 November | 31.2900 | .. |
| 7 November | 31.6800 | .. |
| 8 November | 31.3200 | .. |
| 9 November | 32.1600 | .. |
| 10 November | 32.0200 | .. |
| 13 November | 32.9400 | .. |
| 14 November | 32.6900 | .. |
| 15 November | 33.9000 | .. |
| 16 November | 32.7700 | .. |
| 17 November | 33.0800 | .. |
| 20 November | 33.0700 | .. |
| 21 November | 33.1000 | .. |
| 22 November | 33.2400 | .. |
| 23 November | 33.2800 | .. |
| 24 November | 33.1200 | .. |
| 27 November | 33.0600 | .. |
| 28 November | 32.1900 | .. |
| 29 November | 32.6800 | .. |
| 30 November | 31.8800 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 December | 30.1700 | .. |
| 4 December | 29.3400 | .. |
| 5 December | 27.7900 | .. |
| 6 December | 28.0100 | .. |
| 7 December | 27.4700 | .. |
| 8 December | 26.5600 | .. |
| 11 December | 27.5400 | .. |
| 12 December | 27.0600 | .. |
| 13 December | 25.1400 | .. |
| 14 December | 25.3600 | .. |
| 15 December | 25.8900 | .. |
| 18 December | 26.2400 | .. |
| 19 December | 25.0000 | .. |
| 20 December | 22.9700 | .. |
| 21 December | 23.6100 | .. |
| 22 December | 23.6600 | .. |
| 27 December | 24.0400 | .. |
| 28 December | 23.7100 | .. |
| 29 December | 23.8700 | .. |