| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2008 | 61.50 | 38.50 | 0.00 |
| 2009 | 62.68 | 37.32 | 0.00 |
| 2010 | 57.54 | 42.46 | 0.00 |
| 2011 | 58.47 | 41.01 | 0.53 |
| 2012 | 54.34 | 45.66 | 0.00 |
| 2013 | 47.13 | 52.87 | 0.00 |
| 2014 | 54.79 | 44.30 | 0.91 |
| 2015 | 55.24 | 44.28 | 0.48 |
| 2016 | 55.77 | 44.23 | 0.00 |
| 2017 | 53.54 | 46.46 | 0.00 |
| 2018 | 52.31 | 47.69 | 0.00 |
| 2019 | 53.00 | 47.00 | 0.00 |