| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2007 | 46.46 | 32.99 | 52.59 |
| 2008 | 45.68 | 47.98 | 46.72 |
| 2009 | 44.74 | 49.36 | 47.35 |
| 2010 | 44.04 | 43.31 | 44.54 |
| 2011 | 45.91 | 51.18 | 46.21 |
| 2012 | 47.13 | 47.15 | 50.24 |
| 2013 | 48.59 | 40.77 | 55.50 |
| 2014 | 50.89 | 48.96 | 50.61 |
| 2015 | 53.08 | 55.07 | 52.87 |
| 2016 | 50.28 | 49.30 | 54.69 |