| Day | Rate | Set date |
|---|---|---|
| 2 January | 27.2100 | .. |
| 3 January | 28.0000 | .. |
| 4 January | 28.1400 | .. |
| 5 January | 27.9500 | .. |
| 8 January | 27.3200 | .. |
| 9 January | 27.6400 | .. |
| 10 January | 29.4800 | .. |
| 11 January | 29.4100 | .. |
| 12 January | 30.0500 | .. |
| 16 January | 30.2900 | .. |
| 17 January | 29.6000 | .. |
| 18 January | 30.4500 | .. |
| 19 January | 32.1900 | .. |
| 22 January | 32.1900 | .. |
| 23 January | 29.5700 | .. |
| 24 January | 29.0500 | .. |
| 25 January | 29.3600 | .. |
| 26 January | 29.7700 | .. |
| 29 January | 29.0600 | .. |
| 30 January | 29.0600 | .. |
| 31 January | 28.6600 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 February | 29.8200 | .. |
| 2 February | 31.1900 | .. |
| 5 February | 30.5500 | .. |
| 6 February | 30.3500 | .. |
| 7 February | 31.2700 | .. |
| 8 February | 31.5900 | .. |
| 9 February | 31.0300 | .. |
| 12 February | 30.5100 | .. |
| 13 February | 30.3600 | .. |
| 14 February | 29.7100 | .. |
| 15 February | 28.8000 | .. |
| 16 February | 29.1600 | .. |
| 20 February | 28.5800 | .. |
| 21 February | 28.5300 | .. |
| 22 February | 28.8200 | .. |
| 23 February | 29.0400 | .. |
| 26 February | 28.4200 | .. |
| 27 February | 28.1300 | .. |
| 28 February | 27.3900 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 March | 27.6200 | .. |
| 2 March | 27.8400 | .. |
| 5 March | 28.6000 | .. |
| 6 March | 28.3200 | .. |
| 7 March | 29.0000 | .. |
| 8 March | 28.3900 | .. |
| 9 March | 28.0100 | .. |
| 12 March | 28.0000 | .. |
| 13 March | 27.5900 | .. |
| 14 March | 26.4100 | .. |
| 15 March | 26.5500 | .. |
| 16 March | 26.7400 | .. |
| 19 March | 26.1500 | .. |
| 20 March | 25.9600 | .. |
| 21 March | 26.8000 | .. |
| 22 March | 26.5400 | .. |
| 23 March | 27.3000 | .. |
| 26 March | 27.4800 | .. |
| 27 March | 27.7500 | .. |
| 28 March | 26.3100 | .. |
| 29 March | 26.3200 | .. |
| 30 March | 26.2900 | .. |
| Day | Rate | Set date |
|---|---|---|
| 2 April | 25.5900 | .. |
| 3 April | 26.1900 | .. |
| 4 April | 27.1200 | .. |
| 5 April | 27.2600 | .. |
| 6 April | 27.0600 | .. |
| 9 April | 27.2800 | .. |
| 10 April | 28.4800 | .. |
| 11 April | 28.1800 | .. |
| 12 April | 28.2500 | .. |
| 16 April | 28.7900 | .. |
| 17 April | 28.2400 | .. |
| 18 April | 27.9500 | .. |
| 19 April | 27.8200 | .. |
| 20 April | 27.2800 | .. |
| 23 April | 27.6100 | .. |
| 24 April | 26.8600 | .. |
| 25 April | 27.2900 | .. |
| 26 April | 28.4400 | .. |
| 27 April | 28.2700 | .. |
| 30 April | 28.4600 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 May | 28.9400 | .. |
| 2 May | 27.8000 | .. |
| 3 May | 28.4500 | .. |
| 4 May | 28.3600 | .. |
| 7 May | 27.7700 | .. |
| 8 May | 27.3900 | .. |
| 9 May | 28.2300 | .. |
| 10 May | 28.5200 | .. |
| 11 May | 28.5500 | .. |
| 14 May | 28.7100 | .. |
| 15 May | 28.9800 | .. |
| 16 May | 28.8600 | .. |
| 17 May | 28.9100 | .. |
| 18 May | 29.9100 | .. |
| 21 May | 29.9800 | .. |
| 22 May | 29.7400 | .. |
| 23 May | 29.5800 | .. |
| 24 May | 28.4100 | .. |
| 25 May | 28.3800 | .. |
| 29 May | 28.6600 | .. |
| 30 May | 28.5500 | .. |
| 31 May | 28.3700 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 June | 27.9300 | .. |
| 4 June | 28.1300 | .. |
| 5 June | 28.2400 | .. |
| 6 June | 27.7200 | .. |
| 7 June | 27.7500 | .. |
| 8 June | 28.3300 | .. |
| 11 June | 29.0400 | .. |
| 12 June | 29.1800 | .. |
| 13 June | 28.8400 | .. |
| 14 June | 29.0400 | .. |
| 15 June | 28.5100 | .. |
| 18 June | 27.5500 | .. |
| 19 June | 27.4800 | .. |
| 20 June | 26.5000 | .. |
| 21 June | 26.5600 | .. |
| 22 June | 26.8300 | .. |
| 25 June | 27.2500 | .. |
| 26 June | 26.9800 | .. |
| 27 June | 25.6100 | .. |
| 28 June | 25.5600 | .. |
| 29 June | 26.2500 | .. |
| Day | Rate | Set date |
|---|---|---|
| 2 July | 25.9500 | .. |
| 3 July | 26.2400 | .. |
| 5 July | 27.0200 | .. |
| 6 July | 28.2100 | .. |
| 9 July | 27.5900 | .. |
| 10 July | 27.4900 | .. |
| 11 July | 27.1100 | .. |
| 12 July | 26.8000 | .. |
| 13 July | 26.5900 | .. |
| 16 July | 26.0600 | .. |
| 17 July | 25.5700 | .. |
| 18 July | 24.8900 | .. |
| 19 July | 24.7000 | .. |
| 20 July | 25.5900 | .. |
| 23 July | 26.1200 | .. |
| 24 July | 26.3100 | .. |
| 25 July | 26.8400 | .. |
| 26 July | 26.7300 | .. |
| 27 July | 27.0200 | .. |
| 30 July | 26.6300 | .. |
| 31 July | 26.3500 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 August | 26.7700 | .. |
| 2 August | 27.7100 | .. |
| 3 August | 27.6200 | .. |
| 6 August | 27.7400 | .. |
| 7 August | 27.9400 | .. |
| 8 August | 27.5400 | .. |
| 9 August | 27.6400 | .. |
| 10 August | 28.0500 | .. |
| 13 August | 27.8200 | .. |
| 14 August | 28.0100 | .. |
| 15 August | 27.5600 | .. |
| 16 August | 27.4000 | .. |
| 17 August | 26.6800 | .. |
| 20 August | 27.1800 | .. |
| 21 August | 27.9100 | .. |
| 22 August | 26.3700 | .. |
| 23 August | 26.6300 | .. |
| 24 August | 26.9000 | .. |
| 27 August | 26.6700 | .. |
| 28 August | 27.1700 | .. |
| 29 August | 27.0500 | .. |
| 30 August | 26.5500 | .. |
| 31 August | 27.2000 | .. |
| Day | Rate | Set date |
|---|---|---|
| 4 September | 26.9300 | .. |
| 5 September | 26.9500 | .. |
| 6 September | 27.5800 | .. |
| 7 September | 28.0300 | .. |
| 10 September | 27.6300 | .. |
| 14 September | 29.5300 | .. |
| 17 September | 28.8100 | .. |
| 18 September | 27.7000 | .. |
| 19 September | 26.7200 | .. |
| 20 September | 26.5900 | .. |
| 21 September | 25.9700 | .. |
| 24 September | 22.0100 | .. |
| 25 September | 21.8100 | .. |
| 26 September | 22.3800 | .. |
| 27 September | 22.7400 | .. |
| 28 September | 23.4300 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 October | 23.2800 | .. |
| 2 October | 22.7900 | .. |
| 3 October | 22.0800 | .. |
| 4 October | 22.6300 | .. |
| 5 October | 22.3900 | .. |
| 8 October | 22.4500 | .. |
| 9 October | 22.4800 | .. |
| 10 October | 22.5300 | .. |
| 11 October | 23.3400 | .. |
| 12 October | 22.5000 | .. |
| 15 October | 22.2900 | .. |
| 16 October | 22.0000 | .. |
| 17 October | 21.8100 | .. |
| 18 October | 21.3100 | .. |
| 19 October | 21.8300 | .. |
| 22 October | 21.7600 | .. |
| 23 October | 21.8500 | .. |
| 24 October | 22.3300 | .. |
| 25 October | 22.0100 | .. |
| 26 October | 22.0300 | .. |
| 29 October | 22.1500 | .. |
| 30 October | 21.8700 | .. |
| 31 October | 21.1800 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 November | 20.3900 | .. |
| 2 November | 20.1800 | .. |
| 5 November | 20.0200 | .. |
| 6 November | 19.9200 | .. |
| 7 November | 20.0900 | .. |
| 8 November | 21.1700 | .. |
| 9 November | 22.2200 | .. |
| 12 November | 21.2000 | .. |
| 13 November | 21.6700 | .. |
| 14 November | 19.7400 | .. |
| 15 November | 17.4500 | .. |
| 16 November | 18.0300 | .. |
| 19 November | 17.7200 | .. |
| 20 November | 19.1500 | .. |
| 21 November | 18.9600 | .. |
| 26 November | 18.6900 | .. |
| 27 November | 19.4800 | .. |
| 28 November | 19.2200 | .. |
| 29 November | 18.6200 | .. |
| 30 November | 19.4400 | .. |
| Day | Rate | Set date |
|---|---|---|
| 3 December | 20.0900 | .. |
| 4 December | 19.6500 | .. |
| 5 December | 19.4900 | .. |
| 6 December | 18.5400 | .. |
| 7 December | 19.0400 | .. |
| 10 December | 18.3700 | .. |
| 11 December | 18.0800 | .. |
| 12 December | 18.3600 | .. |
| 13 December | 18.1200 | .. |
| 14 December | 19.2300 | .. |
| 17 December | 19.2200 | .. |
| 18 December | 19.3600 | .. |
| 19 December | 19.8000 | .. |
| 20 December | 19.2800 | .. |
| 21 December | 19.6200 | .. |
| 26 December | 21.2700 | .. |
| 27 December | 20.9000 | .. |
| 28 December | 20.4100 | .. |
| 31 December | 19.8400 | .. |