| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2008 | 33.90 | 32.26 | 46.15 |
| 2009 | 33.96 | 46.43 | 43.66 |
| 2010 | 35.65 | 45.12 | 38.46 |
| 2011 | 29.12 | 41.00 | 37.86 |
| 2012 | 31.60 | 60.87 | 50.91 |
| 2013 | 30.12 | 45.45 | 50.00 |
| 2014 | 39.51 | 51.16 | 36.51 |
| 2015 | 43.88 | 44.92 | 30.61 |
| 2016 | 43.76 | 44.00 | 40.63 |
| 2017 | 45.21 | 46.67 | 59.26 |
| 2018 | 38.51 | 43.84 | 45.16 |
| 2019 | 37.93 | 53.70 | 48.98 |