| Series | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 11.2 | 22.1 | 11.4 | (9.6) | 11.9 | (10.4) | 17.7 | 3.3 | 27.2 | 15.6 | (0.1) |
| B | 10.4 | 21.4 | 10.8 | (10.2) | 11.1 | (11.0) | 17.1 | 2.7 | 26.4 | 14.9 | (0.2) |
| C | - | - | - | - | - | - | - | 2.8 | 26.4 | 14.8 | (0.3) |
| F | 12.3 | 23.3 | 12.7 | (8.7) | 13.4 | (9.5) | 18.9 | 4.4 | 28.5 | 16.9 | 0.4 |
| T8A | 11.0 | 21.8 | 11.5 | (9.6) | 11.7 | (10.6) | 17.8 | 3.3 | 27.1 | 15.7 | 0.1 |
| T8B | - | - | - | - | - | - | - | 2.9 | 26.8 | 15.0 | (0.2) |
| T8C | - | - | - | - | - | - | - | - | - | 14.8 | (0.3) |
| L | 10.5 | 21.4 | 10.8 | (10.1) | 11.1 | (11.0) | 17.2 | 2.8 | 26.6 | 15.0 | (0.2) |
