| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2008 | 42.04 | 44.61 | 52.17 |
| 2009 | 43.43 | 40.71 | 50.62 |
| 2010 | 44.46 | 46.09 | 53.10 |
| 2011 | 45.69 | 46.72 | 59.61 |
| 2012 | 43.18 | 45.31 | 60.03 |
| 2013 | 41.00 | 46.32 | 56.88 |
| 2014 | 42.21 | 47.68 | 59.82 |
| 2015 | 42.42 | 43.14 | 58.78 |
| 2016 | 45.02 | 39.52 | 61.88 |
| 2017 | 45.02 | 37.47 | 54.78 |
| 2018 | 42.73 | 35.65 | 59.23 |