| Year | Hard | Breaking | Offspeed |
|---|---|---|---|
| 2011 | -14.06 | -34.93 | -29.06 |
| 2012 | -19.55 | -36.54 | -28.40 |
| 2013 | -19.06 | -37.24 | -29.00 |
| 2014 | -20.77 | -39.73 | -27.87 |
| 2015 | -19.68 | -37.73 | -27.86 |
| 2016 | -19.69 | -35.37 | -27.80 |
| 2017 | -20.79 | -31.76 | -28.30 |
| 2018 | -22.37 | -32.56 | -29.66 |
| 2019 | -22.33 | -35.82 | -29.48 |