| Day | Rate | Set date |
|---|---|---|
| 2 January | 22.8900 | .. |
| 3 January | 23.6800 | .. |
| 4 January | 23.4100 | .. |
| 5 January | 23.0800 | .. |
| 8 January | 21.6200 | .. |
| 9 January | 22.0700 | .. |
| 10 January | 22.9000 | .. |
| 11 January | 23.1400 | .. |
| 12 January | 23.1300 | .. |
| 15 January | 22.3600 | .. |
| 16 January | 22.7800 | .. |
| 17 January | 22.1000 | .. |
| 18 January | 22.7600 | .. |
| 19 January | 23.6700 | .. |
| 22 January | 22.5500 | .. |
| 23 January | 21.6000 | .. |
| 24 January | 21.5900 | .. |
| 25 January | 22.2400 | .. |
| 26 January | 22.5600 | .. |
| 29 January | 22.8000 | .. |
| 30 January | 22.4600 | .. |
| 31 January | 22.6800 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 February | 22.7000 | .. |
| 2 February | 23.0200 | .. |
| 5 February | 22.3900 | .. |
| 6 February | 22.5100 | .. |
| 7 February | 22.3200 | .. |
| 8 February | 22.0900 | .. |
| 9 February | 21.7400 | .. |
| 12 February | 22.0300 | .. |
| 13 February | 21.9000 | .. |
| 14 February | 22.0700 | .. |
| 15 February | 22.8400 | .. |
| 16 February | 22.4200 | .. |
| 20 February | 22.1900 | .. |
| 21 February | 21.7400 | .. |
| 22 February | 21.7500 | .. |
| 23 February | 21.4200 | .. |
| 26 February | 21.7900 | .. |
| 27 February | 21.5800 | .. |
| 28 February | 21.5400 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 March | 21.1700 | .. |
| 2 March | 21.3500 | .. |
| 5 March | 21.5800 | .. |
| 6 March | 21.3000 | .. |
| 7 March | 20.9300 | .. |
| 8 March | 20.7800 | .. |
| 9 March | 20.4300 | .. |
| 12 March | 20.2400 | .. |
| 13 March | 20.2200 | .. |
| 14 March | 20.0500 | .. |
| 15 March | 20.3800 | .. |
| 16 March | 20.0700 | .. |
| 19 March | 19.6000 | .. |
| 20 March | 19.2800 | .. |
| 21 March | 19.9600 | .. |
| 22 March | 20.0000 | .. |
| 23 March | 20.3900 | .. |
| 26 March | 20.4600 | .. |
| 27 March | 20.4800 | .. |
| 28 March | 20.0800 | .. |
| 29 March | 20.0300 | .. |
| 30 March | 20.2800 | .. |
| Day | Rate | Set date |
|---|---|---|
| 2 April | 20.4800 | .. |
| 3 April | 20.3000 | .. |
| 4 April | 19.7800 | .. |
| 5 April | 19.4300 | .. |
| 6 April | 19.1500 | .. |
| 9 April | 18.4400 | .. |
| 10 April | 17.6800 | .. |
| 11 April | 18.0600 | .. |
| 12 April | 17.7800 | .. |
| 16 April | 17.8500 | .. |
| 17 April | 17.4400 | .. |
| 18 April | 16.9600 | .. |
| 19 April | 18.0600 | .. |
| 20 April | 17.9500 | .. |
| 23 April | 19.0700 | .. |
| 24 April | 19.0000 | .. |
| 25 April | 18.6600 | .. |
| 26 April | 18.4700 | .. |
| 27 April | 18.5400 | .. |
| 30 April | 18.5400 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 May | 18.8100 | .. |
| 2 May | 18.6800 | .. |
| 3 May | 17.9900 | .. |
| 4 May | 17.9800 | .. |
| 7 May | 18.2700 | .. |
| 8 May | 18.2800 | .. |
| 9 May | 18.9900 | .. |
| 10 May | 19.0200 | .. |
| 11 May | 18.9500 | .. |
| 14 May | 19.7100 | .. |
| 15 May | 19.5900 | .. |
| 16 May | 19.0300 | .. |
| 17 May | 18.8700 | .. |
| 18 May | 18.7600 | .. |
| 21 May | 18.2600 | .. |
| 22 May | 17.6800 | .. |
| 23 May | 17.6800 | .. |
| 24 May | 17.8300 | .. |
| 25 May | 17.8000 | .. |
| 29 May | 17.9800 | .. |
| 30 May | 18.0800 | .. |
| 31 May | 17.4000 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 June | 17.5000 | .. |
| 4 June | 17.1400 | .. |
| 5 June | 16.6800 | .. |
| 6 June | 16.9200 | .. |
| 7 June | 16.6700 | .. |
| 8 June | 16.7800 | .. |
| 11 June | 16.8200 | .. |
| 12 June | 17.5100 | .. |
| 13 June | 17.5800 | .. |
| 14 June | 17.1300 | .. |
| 15 June | 16.6200 | .. |
| 18 June | 15.9400 | .. |
| 19 June | 15.6500 | .. |
| 20 June | 15.3000 | .. |
| 21 June | 17.0000 | .. |
| 22 June | 17.4600 | .. |
| 25 June | 17.3800 | .. |
| 26 June | 17.1400 | .. |
| 27 June | 16.6800 | .. |
| 28 June | 17.1500 | .. |
| 29 June | 17.0700 | .. |
| Day | Rate | Set date |
|---|---|---|
| 2 July | 16.7200 | .. |
| 3 July | 16.8000 | .. |
| 5 July | 16.5000 | .. |
| 6 July | 16.4700 | .. |
| 9 July | 16.5800 | .. |
| 10 July | 16.9400 | .. |
| 11 July | 17.4700 | .. |
| 12 July | 18.4600 | .. |
| 13 July | 18.3600 | .. |
| 16 July | 18.6700 | .. |
| 17 July | 18.6500 | .. |
| 18 July | 18.5500 | .. |
| 19 July | 18.9900 | .. |
| 20 July | 19.6100 | .. |
| 23 July | 20.5000 | .. |
| 24 July | 20.5600 | .. |
| 25 July | 20.3800 | .. |
| 26 July | 20.3000 | .. |
| 27 July | 20.0400 | .. |
| 30 July | 20.2100 | .. |
| 31 July | 20.6900 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 August | 21.5400 | .. |
| 2 August | 23.1100 | .. |
| 3 August | 24.4900 | .. |
| 6 August | 28.0500 | .. |
| 7 August | 28.3100 | .. |
| 8 August | 25.9600 | .. |
| 9 August | 25.6700 | .. |
| 10 August | 26.2300 | .. |
| 13 August | 26.7700 | .. |
| 14 August | 26.4200 | .. |
| 15 August | 26.4600 | .. |
| 16 August | 27.3600 | .. |
| 17 August | 28.6300 | .. |
| 20 August | 28.5600 | .. |
| 21 August | 28.4100 | .. |
| 22 August | 31.2200 | .. |
| 23 August | 31.9300 | .. |
| 24 August | 30.9100 | .. |
| 27 August | 26.9100 | .. |
| 28 August | 27.8800 | .. |
| 29 August | 25.9200 | .. |
| 30 August | 26.7700 | .. |
| 31 August | 27.3200 | .. |
| Day | Rate | Set date |
|---|---|---|
| 4 September | 29.1200 | .. |
| 5 September | 29.7700 | .. |
| 6 September | 31.4300 | .. |
| 7 September | 30.0400 | .. |
| 10 September | 31.3000 | .. |
| 11 September | 30.7600 | .. |
| 12 September | 30.9700 | .. |
| 13 September | 31.0700 | .. |
| 14 September | 31.7600 | .. |
| 17 September | 33.6300 | .. |
| 18 September | 33.4100 | .. |
| 19 September | 33.1800 | .. |
| 20 September | 34.7100 | .. |
| 21 September | 35.4300 | .. |
| 24 September | 38.2500 | .. |
| 25 September | 37.5300 | .. |
| 26 September | 38.6700 | .. |
| 27 September | 39.5400 | .. |
| 28 September | 39.5100 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 October | 37.0900 | .. |
| 2 October | 33.9500 | .. |
| 3 October | 37.3200 | .. |
| 4 October | 36.9300 | .. |
| 5 October | 37.9900 | .. |
| 8 October | 38.9500 | .. |
| 9 October | 40.4000 | .. |
| 10 October | 38.6900 | .. |
| 11 October | 40.4200 | .. |
| 12 October | 39.6900 | .. |
| 15 October | 37.9500 | .. |
| 16 October | 38.8900 | .. |
| 17 October | 36.7200 | .. |
| 18 October | 36.8000 | .. |
| 19 October | 33.7900 | .. |
| 22 October | 28.3800 | .. |
| 23 October | 29.3700 | .. |
| 24 October | 31.0800 | .. |
| 25 October | 34.2500 | .. |
| 26 October | 33.0100 | .. |
| 29 October | 34.6800 | .. |
| 30 October | 34.5400 | .. |
| 31 October | 35.2300 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 November | 35.1700 | .. |
| 2 November | 34.0000 | .. |
| 5 November | 31.9600 | .. |
| 6 November | 32.6300 | .. |
| 7 November | 35.3100 | .. |
| 8 November | 35.5300 | .. |
| 9 November | 33.8900 | .. |
| 12 November | 31.8700 | .. |
| 13 November | 33.1200 | .. |
| 14 November | 31.1600 | .. |
| 15 November | 31.1200 | .. |
| 16 November | 29.7800 | .. |
| 19 November | 31.5000 | .. |
| 20 November | 31.5000 | .. |
| 21 November | 29.6300 | .. |
| 23 November | 31.9000 | .. |
| 26 November | 32.9500 | .. |
| 27 November | 32.8600 | .. |
| 28 November | 33.2800 | .. |
| 29 November | 32.9100 | .. |
| 30 November | 28.8500 | .. |
| Day | Rate | Set date |
|---|---|---|
| 3 December | 29.1500 | .. |
| 4 December | 30.6600 | .. |
| 5 December | 27.2900 | .. |
| 6 December | 26.4000 | .. |
| 7 December | 26.5800 | .. |
| 10 December | 26.9000 | .. |
| 11 December | 26.4100 | .. |
| 12 December | 25.3500 | .. |
| 13 December | 26.4200 | .. |
| 14 December | 26.5500 | .. |
| 17 December | 27.0500 | .. |
| 18 December | 27.8600 | .. |
| 19 December | 26.9300 | .. |
| 20 December | 26.3900 | .. |
| 21 December | 25.9200 | .. |
| 26 December | 27.2200 | .. |
| 27 December | 27.0100 | .. |
| 28 December | 27.5700 | .. |
| 31 December | 28.4400 | .. |