| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2008 | 43.02 | 48.29 | 46.52 |
| 2009 | 43.64 | 46.88 | 55.50 |
| 2010 | 46.56 | 42.71 | 50.16 |
| 2011 | 45.95 | 45.79 | 53.60 |
| 2012 | 46.53 | 42.37 | 54.68 |
| 2013 | 44.93 | 50.34 | 60.34 |
| 2014 | 47.34 | 40.98 | 55.66 |
| 2015 | 49.30 | 39.50 | 58.30 |
| 2016 | 47.54 | 42.63 | 54.77 |
| 2017 | 48.70 | 43.86 | 56.80 |
| 2018 | 46.34 | 38.98 | 53.55 |