| Day | Rate | Set date |
|---|---|---|
| 2 January | 24.3000 | .. |
| 3 January | 25.0300 | .. |
| 4 January | 25.3500 | .. |
| 5 January | 25.1800 | .. |
| 8 January | 24.4300 | .. |
| 9 January | 24.5900 | .. |
| 10 January | 25.3400 | .. |
| 11 January | 25.6100 | .. |
| 12 January | 25.7500 | .. |
| 15 January | 26.1800 | .. |
| 16 January | 26.2000 | .. |
| 17 January | 24.7900 | .. |
| 18 January | 25.6200 | .. |
| 19 January | 27.0400 | .. |
| 22 January | 26.5300 | .. |
| 23 January | 26.6700 | .. |
| 24 January | 26.2600 | .. |
| 25 January | 26.4600 | .. |
| 26 January | 26.9800 | .. |
| 29 January | 26.6000 | .. |
| 30 January | 26.8900 | .. |
| 31 January | 26.6600 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 February | 28.1000 | .. |
| 2 February | 29.1900 | .. |
| 5 February | 28.4500 | .. |
| 6 February | 28.7000 | .. |
| 7 February | 29.9100 | .. |
| 8 February | 29.8400 | .. |
| 9 February | 29.2500 | .. |
| 12 February | 29.0000 | .. |
| 13 February | 28.4600 | .. |
| 14 February | 27.2800 | .. |
| 15 February | 26.6400 | .. |
| 16 February | 26.8900 | .. |
| 19 February | 27.3100 | .. |
| 20 February | 26.6200 | .. |
| 21 February | 26.3700 | .. |
| 22 February | 26.4600 | .. |
| 23 February | 26.5200 | .. |
| 26 February | 26.1100 | .. |
| 27 February | 26.0200 | .. |
| 28 February | 25.5700 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 March | 25.8500 | .. |
| 2 March | 26.0000 | .. |
| 5 March | 26.7100 | .. |
| 6 March | 26.4800 | .. |
| 7 March | 27.2300 | .. |
| 8 March | 26.6800 | .. |
| 9 March | 26.3300 | .. |
| 12 March | 25.9000 | .. |
| 13 March | 25.2800 | .. |
| 14 March | 23.9300 | .. |
| 15 March | 24.1900 | .. |
| 16 March | 25.0500 | .. |
| 19 March | 24.8100 | .. |
| 20 March | 24.6200 | .. |
| 21 March | 25.0000 | .. |
| 22 March | 24.6300 | .. |
| 23 March | 25.3800 | .. |
| 26 March | 25.4000 | .. |
| 27 March | 25.8900 | .. |
| 28 March | 25.2700 | .. |
| 29 March | 24.5000 | .. |
| 30 March | 24.7400 | .. |
| Day | Rate | Set date |
|---|---|---|
| 2 April | 24.1100 | .. |
| 3 April | 24.7700 | .. |
| 4 April | 25.3200 | .. |
| 5 April | 25.3200 | .. |
| 6 April | 25.1700 | .. |
| 9 April | 25.2800 | .. |
| 10 April | 26.5400 | .. |
| 11 April | 26.5300 | .. |
| 12 April | 27.3700 | .. |
| 17 April | 27.6300 | .. |
| 18 April | 27.2900 | .. |
| 19 April | 26.8300 | .. |
| 20 April | 26.3900 | .. |
| 23 April | 26.5500 | .. |
| 24 April | 26.3200 | .. |
| 25 April | 26.8200 | .. |
| 26 April | 27.6000 | .. |
| 27 April | 27.7900 | .. |
| 30 April | 27.8900 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 May | 28.3300 | .. |
| 2 May | 27.5900 | .. |
| 3 May | 28.0700 | .. |
| 4 May | 28.1900 | .. |
| 8 May | 27.9000 | .. |
| 9 May | 28.1500 | .. |
| 10 May | 28.4800 | .. |
| 11 May | 28.1900 | .. |
| 14 May | 28.2800 | .. |
| 15 May | 28.1600 | .. |
| 16 May | 28.3600 | .. |
| 17 May | 28.4600 | .. |
| 18 May | 29.3900 | .. |
| 21 May | 29.4200 | .. |
| 22 May | 29.3600 | .. |
| 23 May | 29.2400 | .. |
| 24 May | 28.5300 | .. |
| 25 May | 28.4800 | .. |
| 29 May | 29.1700 | .. |
| 30 May | 29.1400 | .. |
| 31 May | 29.3400 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 June | 29.0700 | .. |
| 4 June | 29.2600 | .. |
| 5 June | 29.6800 | .. |
| 6 June | 28.9600 | .. |
| 7 June | 28.5000 | .. |
| 8 June | 29.4400 | .. |
| 11 June | 29.5700 | .. |
| 12 June | 29.4600 | .. |
| 13 June | 29.3400 | .. |
| 14 June | 29.5900 | .. |
| 15 June | 28.1200 | .. |
| 18 June | 27.0100 | .. |
| 19 June | 26.9800 | .. |
| 20 June | 26.0900 | .. |
| 21 June | 26.3000 | .. |
| 22 June | 26.5900 | .. |
| 25 June | 27.0700 | .. |
| 26 June | 26.9900 | .. |
| 27 June | 25.6600 | .. |
| 28 June | 25.4000 | .. |
| 29 June | 26.0800 | .. |
| Day | Rate | Set date |
|---|---|---|
| 2 July | 25.6400 | .. |
| 3 July | 25.3600 | .. |
| 4 July | 25.8000 | .. |
| 5 July | 25.8400 | .. |
| 6 July | 26.8100 | .. |
| 9 July | 26.1500 | .. |
| 10 July | 25.9300 | .. |
| 11 July | 25.5200 | .. |
| 12 July | 25.1400 | .. |
| 13 July | 24.9700 | .. |
| 16 July | 24.7800 | .. |
| 17 July | 24.8900 | .. |
| 18 July | 24.2200 | .. |
| 19 July | 24.0500 | .. |
| 20 July | 24.6400 | .. |
| 23 July | 24.9200 | .. |
| 24 July | 24.9000 | .. |
| 25 July | 25.2500 | .. |
| 26 July | 25.1400 | .. |
| 27 July | 25.1900 | .. |
| 30 July | 24.9600 | .. |
| 31 July | 24.6900 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 August | 24.9600 | .. |
| 2 August | 26.1300 | .. |
| 3 August | 25.6900 | .. |
| 6 August | 25.8300 | .. |
| 7 August | 26.0800 | .. |
| 8 August | 25.7000 | .. |
| 9 August | 25.6800 | .. |
| 10 August | 25.9800 | .. |
| 13 August | 25.8800 | .. |
| 14 August | 25.9900 | .. |
| 15 August | 25.5500 | .. |
| 16 August | 25.5500 | .. |
| 17 August | 24.7300 | .. |
| 20 August | 25.0500 | .. |
| 21 August | 25.4900 | .. |
| 22 August | 25.3400 | .. |
| 23 August | 25.6000 | .. |
| 24 August | 25.9500 | .. |
| 28 August | 26.4700 | .. |
| 29 August | 26.5300 | .. |
| 30 August | 26.0900 | .. |
| 31 August | 26.4100 | .. |
| Day | Rate | Set date |
|---|---|---|
| 3 September | 26.5400 | .. |
| 4 September | 26.2600 | .. |
| 5 September | 26.3200 | .. |
| 6 September | 26.9600 | .. |
| 7 September | 27.6900 | .. |
| 10 September | 27.4500 | .. |
| 11 September | 29.0600 | .. |
| 12 September | 28.0200 | .. |
| 13 September | 28.1000 | .. |
| 14 September | 29.4300 | .. |
| 17 September | 28.3800 | .. |
| 18 September | 27.2700 | .. |
| 19 September | 26.3200 | .. |
| 20 September | 25.9200 | .. |
| 21 September | 25.4400 | .. |
| 24 September | 22.0200 | .. |
| 25 September | 22.3800 | .. |
| 26 September | 23.0000 | .. |
| 27 September | 22.7900 | .. |
| 28 September | 23.2600 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 October | 22.8900 | .. |
| 2 October | 22.0500 | .. |
| 3 October | 21.5200 | .. |
| 4 October | 22.1500 | .. |
| 5 October | 21.6300 | .. |
| 8 October | 21.5700 | .. |
| 9 October | 21.8800 | .. |
| 10 October | 22.0100 | .. |
| 11 October | 22.4600 | .. |
| 12 October | 21.7300 | .. |
| 15 October | 21.6800 | .. |
| 16 October | 21.7000 | .. |
| 17 October | 20.9900 | .. |
| 18 October | 20.6200 | .. |
| 19 October | 21.3500 | .. |
| 22 October | 21.0500 | .. |
| 23 October | 20.9400 | .. |
| 24 October | 21.2600 | .. |
| 25 October | 21.0100 | .. |
| 26 October | 21.0200 | .. |
| 29 October | 21.1000 | .. |
| 30 October | 20.9100 | .. |
| 31 October | 20.3700 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 November | 19.6200 | .. |
| 2 November | 19.7700 | .. |
| 5 November | 19.4400 | .. |
| 6 November | 19.0700 | .. |
| 7 November | 19.3300 | .. |
| 8 November | 20.2800 | .. |
| 9 November | 21.3800 | .. |
| 12 November | 20.3900 | .. |
| 13 November | 20.8100 | .. |
| 14 November | 18.7500 | .. |
| 15 November | 17.6800 | .. |
| 16 November | 17.7500 | .. |
| 19 November | 18.0100 | .. |
| 20 November | 18.7500 | .. |
| 21 November | 18.7300 | .. |
| 22 November | 19.9000 | .. |
| 23 November | 19.2800 | .. |
| 26 November | 18.3600 | .. |
| 27 November | 19.0200 | .. |
| 28 November | 18.6900 | .. |
| 29 November | 18.4100 | .. |
| 30 November | 19.1400 | .. |
| Day | Rate | Set date |
|---|---|---|
| 3 December | 19.7100 | .. |
| 4 December | 19.2900 | .. |
| 5 December | 19.2200 | .. |
| 6 December | 18.3900 | .. |
| 7 December | 19.0300 | .. |
| 10 December | 18.1700 | .. |
| 11 December | 17.9100 | .. |
| 12 December | 18.2000 | .. |
| 13 December | 17.8000 | .. |
| 14 December | 18.3800 | .. |
| 17 December | 19.0600 | .. |
| 18 December | 19.1800 | .. |
| 19 December | 19.4700 | .. |
| 20 December | 19.1300 | .. |
| 21 December | 19.3600 | .. |
| 24 December | 19.3400 | .. |
| 27 December | 20.3400 | .. |
| 28 December | 20.3000 | .. |
| 31 December | 19.9000 | .. |