| Day | Rate | Set date |
|---|---|---|
| 5 January | 33.7800 | .. |
| 6 January | 33.7000 | .. |
| 7 January | 33.6200 | .. |
| 8 January | 33.9800 | .. |
| 9 January | 34.3100 | .. |
| 12 January | 34.7200 | .. |
| 13 January | 34.4300 | .. |
| 14 January | 34.5000 | .. |
| 15 January | 33.4400 | .. |
| 16 January | 35.0700 | .. |
| 20 January | 36.2000 | .. |
| 21 January | 34.5800 | .. |
| 22 January | 34.9300 | .. |
| 23 January | 34.9400 | .. |
| 26 January | 34.4700 | .. |
| 27 January | 34.1200 | .. |
| 28 January | 33.6200 | .. |
| 29 January | 32.8100 | .. |
| 30 January | 33.0500 | .. |
| Day | Rate | Set date |
|---|---|---|
| 2 February | 34.9800 | .. |
| 3 February | 34.1000 | .. |
| 4 February | 33.1000 | .. |
| 5 February | 33.0800 | .. |
| 6 February | 32.4800 | .. |
| 9 February | 32.8300 | .. |
| 10 February | 33.8700 | .. |
| 11 February | 34.0000 | .. |
| 12 February | 33.9800 | .. |
| 13 February | 34.5600 | .. |
| 17 February | 35.1900 | .. |
| 18 February | 35.4500 | .. |
| 19 February | 36.0000 | .. |
| 20 February | 35.6000 | .. |
| 23 February | 34.3500 | .. |
| 24 February | 34.5800 | .. |
| 25 February | 35.6800 | .. |
| 26 February | 35.5100 | .. |
| 27 February | 36.1600 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 March | 36.8600 | .. |
| 2 March | 36.6600 | .. |
| 3 March | 35.8000 | .. |
| 4 March | 36.6400 | .. |
| 5 March | 37.2600 | .. |
| 8 March | 36.5700 | .. |
| 9 March | 36.2800 | .. |
| 10 March | 36.1000 | .. |
| 11 March | 36.7800 | .. |
| 12 March | 36.1900 | .. |
| 15 March | 37.4400 | .. |
| 16 March | 37.4800 | .. |
| 17 March | 38.1800 | .. |
| 18 March | 37.9300 | .. |
| 19 March | 38.0800 | .. |
| 22 March | 37.1100 | .. |
| 23 March | 37.4500 | .. |
| 24 March | 37.0100 | .. |
| 25 March | 35.5100 | .. |
| 26 March | 35.7300 | .. |
| 29 March | 35.4500 | .. |
| 30 March | 36.2500 | .. |
| 31 March | 35.7600 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 April | 34.2700 | .. |
| 2 April | 34.3900 | .. |
| 5 April | 34.3800 | .. |
| 6 April | 34.9700 | .. |
| 7 April | 36.1500 | .. |
| 8 April | 37.1400 | .. |
| 12 April | 37.8400 | .. |
| 13 April | 37.2100 | .. |
| 14 April | 36.7200 | .. |
| 15 April | 37.5700 | .. |
| 16 April | 37.7400 | .. |
| 19 April | 37.4200 | .. |
| 20 April | 37.6000 | .. |
| 21 April | 35.7300 | .. |
| 22 April | 36.7100 | .. |
| 23 April | 36.4600 | .. |
| 26 April | 36.9700 | .. |
| 27 April | 37.5300 | .. |
| 28 April | 37.4600 | .. |
| 29 April | 37.3100 | .. |
| 30 April | 37.3800 | .. |
| Day | Rate | Set date |
|---|---|---|
| 3 May | 38.2100 | .. |
| 4 May | 38.9800 | .. |
| 5 May | 39.5700 | .. |
| 6 May | 39.3700 | .. |
| 7 May | 39.9300 | .. |
| 10 May | 38.9300 | .. |
| 11 May | 40.0600 | .. |
| 12 May | 40.7700 | .. |
| 13 May | 41.0800 | .. |
| 14 May | 41.3800 | .. |
| 17 May | 41.5500 | .. |
| 18 May | 40.5400 | .. |
| 19 May | 41.5000 | .. |
| 20 May | 40.9200 | .. |
| 21 May | 39.9300 | .. |
| 24 May | 41.7200 | .. |
| 25 May | 41.1400 | .. |
| 26 May | 40.7000 | .. |
| 27 May | 39.4400 | .. |
| 28 May | 39.8800 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 June | 42.3300 | .. |
| 2 June | 39.9600 | .. |
| 3 June | 39.2800 | .. |
| 4 June | 38.4900 | .. |
| 7 June | 38.6600 | .. |
| 8 June | 37.2800 | .. |
| 9 June | 37.5400 | .. |
| 10 June | 38.4500 | .. |
| 14 June | 37.5900 | .. |
| 15 June | 37.1900 | .. |
| 16 June | 37.3200 | .. |
| 17 June | 38.4600 | .. |
| 18 June | 38.7500 | .. |
| 21 June | 37.6300 | .. |
| 22 June | 38.1100 | .. |
| 23 June | 37.5700 | .. |
| 24 June | 37.9300 | .. |
| 25 June | 37.5500 | .. |
| 28 June | 36.2400 | .. |
| 29 June | 35.6600 | .. |
| 30 June | 37.0500 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 July | 38.7400 | .. |
| 2 July | 38.3900 | .. |
| 6 July | 39.6500 | .. |
| 7 July | 39.0800 | .. |
| 8 July | 40.3300 | .. |
| 9 July | 39.9600 | .. |
| 12 July | 39.5000 | .. |
| 13 July | 39.4400 | .. |
| 14 July | 40.9700 | .. |
| 15 July | 40.7700 | .. |
| 16 July | 41.2500 | .. |
| 19 July | 41.6400 | .. |
| 20 July | 40.8600 | .. |
| 21 July | 40.5800 | .. |
| 22 July | 41.3600 | .. |
| 23 July | 41.7100 | .. |
| 26 July | 41.4400 | .. |
| 27 July | 41.8400 | .. |
| 28 July | 42.9000 | .. |
| 29 July | 42.7500 | .. |
| 30 July | 43.8000 | .. |
| Day | Rate | Set date |
|---|---|---|
| 2 August | 43.8200 | .. |
| 3 August | 44.1500 | .. |
| 4 August | 42.8300 | .. |
| 5 August | 44.4100 | .. |
| 6 August | 43.9500 | .. |
| 9 August | 44.8400 | .. |
| 10 August | 44.5200 | .. |
| 11 August | 44.8000 | .. |
| 12 August | 45.5000 | .. |
| 13 August | 46.5800 | .. |
| 16 August | 46.0500 | .. |
| 17 August | 46.7500 | .. |
| 18 August | 47.2700 | .. |
| 19 August | 48.7000 | .. |
| 20 August | 47.8600 | .. |
| 23 August | 46.0500 | .. |
| 24 August | 45.2100 | .. |
| 25 August | 43.4700 | .. |
| 26 August | 43.1000 | .. |
| 27 August | 43.1800 | .. |
| 30 August | 42.2800 | .. |
| 31 August | 42.1200 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 September | 44.0000 | .. |
| 2 September | 44.0600 | .. |
| 3 September | 43.9900 | .. |
| 7 September | 43.3100 | .. |
| 8 September | 42.7700 | .. |
| 9 September | 44.6100 | .. |
| 10 September | 42.8100 | .. |
| 13 September | 43.8700 | .. |
| 14 September | 44.3900 | .. |
| 15 September | 43.5800 | .. |
| 16 September | 43.8800 | .. |
| 17 September | 45.5900 | .. |
| 20 September | 46.3500 | .. |
| 21 September | 47.1000 | .. |
| 22 September | 48.3500 | .. |
| 23 September | 48.4600 | .. |
| 24 September | 48.8800 | .. |
| 27 September | 49.6400 | .. |
| 28 September | 49.9000 | .. |
| 29 September | 49.5100 | .. |
| 30 September | 49.6400 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 October | 50.1200 | .. |
| 4 October | 49.9100 | .. |
| 5 October | 51.0900 | .. |
| 6 October | 52.0200 | .. |
| 7 October | 52.6700 | .. |
| 8 October | 53.3100 | .. |
| 11 October | 53.6400 | .. |
| 12 October | 52.5100 | .. |
| 13 October | 53.6400 | .. |
| 14 October | 54.7600 | .. |
| 15 October | 54.9300 | .. |
| 18 October | 53.6700 | .. |
| 19 October | 53.2900 | .. |
| 20 October | 54.9200 | .. |
| 21 October | 54.4700 | .. |
| 22 October | 55.1700 | .. |
| 25 October | 54.5400 | .. |
| 26 October | 55.1700 | .. |
| 27 October | 52.4600 | .. |
| 28 October | 50.9200 | .. |
| 29 October | 51.7600 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 November | 50.1300 | .. |
| 2 November | 49.6200 | .. |
| 3 November | 50.8800 | .. |
| 4 November | 48.8200 | .. |
| 5 November | 49.6100 | .. |
| 8 November | 49.0900 | .. |
| 9 November | 47.3700 | .. |
| 10 November | 48.8600 | .. |
| 11 November | 47.4200 | .. |
| 12 November | 47.3200 | .. |
| 15 November | 46.8700 | .. |
| 16 November | 46.1100 | .. |
| 17 November | 46.8400 | .. |
| 18 November | 46.2200 | .. |
| 19 November | 48.4400 | .. |
| 22 November | 48.6400 | .. |
| 23 November | 48.9400 | .. |
| 24 November | 49.4400 | .. |
| 29 November | 49.7600 | .. |
| 30 November | 49.1300 | .. |
| Day | Rate | Set date |
|---|---|---|
| 1 December | 45.4900 | .. |
| 2 December | 43.2500 | .. |
| 3 December | 42.5400 | .. |
| 6 December | 42.9800 | .. |
| 7 December | 41.4600 | .. |
| 8 December | 41.9400 | .. |
| 9 December | 42.5300 | .. |
| 10 December | 40.7100 | .. |
| 13 December | 41.0100 | .. |
| 14 December | 41.8200 | .. |
| 15 December | 44.1900 | .. |
| 16 December | 44.1800 | .. |
| 17 December | 46.2800 | .. |
| 20 December | 45.6400 | .. |
| 21 December | 45.7600 | .. |
| 22 December | 44.2400 | .. |
| 23 December | 44.1800 | .. |
| 27 December | 41.3200 | .. |
| 28 December | 41.7700 | .. |
| 29 December | 43.6400 | .. |
| 30 December | 43.4500 | .. |