| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2008 | 45.00 | 32.26 | 34.09 |
| 2009 | 38.33 | 45.98 | 46.91 |
| 2010 | 54.36 | 46.46 | 62.18 |
| 2011 | 46.33 | 49.51 | 57.33 |
| 2012 | 43.86 | 42.28 | 49.30 |
| 2013 | 51.74 | 51.45 | 53.60 |
| 2014 | 55.25 | 52.25 | 58.20 |
| 2015 | 55.04 | 50.00 | 53.91 |
| 2016 | 53.21 | 46.79 | 57.47 |
| 2017 | 45.68 | 40.51 | 50.88 |
| 2018 | 49.35 | 33.33 | 60.00 |