| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2009 | 28.57 | 0.00 | 100.00 |
| 2010 | 29.03 | 43.75 | 100.00 |
| 2011 | 32.74 | 53.19 | 0.00 |
| 2012 | 24.73 | 57.50 | 0.00 |
| 2013 | 37.38 | 46.48 | 0.00 |
| 2014 | 28.24 | 39.66 | 0.00 |
| 2015 | 25.97 | 57.63 | 0.00 |
| 2016 | 27.63 | 33.33 | 0.00 |
| 2017 | 28.57 | 40.00 | 0.00 |
| 2018 | 42.22 | 41.67 | 0.00 |
| 2019 | 38.71 | 42.42 | 0.00 |