Twenty20 Bowling in Each Season by Michael Bates
| Season | | Balls | Mdns | Runs | Wkts | BB | Ave | 4wI | 5wI | SRate | Econ |
| 2009-10 | (New Zealand) | 240 | 0 | 367 | 15 | 3-24 | 24.46 | 0 | 0 | 16.00 | 9.17 |
| 2010-11 | (New Zealand) | 150 | 1 | 193 | 6 | 4-18 | 32.16 | 1 | 0 | 25.00 | 7.72 |
| 2011-12 | (New Zealand) | 261 | 0 | 399 | 18 | 3-18 | 22.16 | 0 | 0 | 14.50 | 9.17 |
| 2011-12 | (India) | 48 | 1 | 26 | 3 | 2-13 | 8.66 | 0 | 0 | 16.00 | 3.25 |
| 2012-13 | (New Zealand) | 213 | 1 | 279 | 8 | 3-19 | 34.87 | 0 | 0 | 26.62 | 7.85 |
| 2012-13 | (South Africa) | 108 | 1 | 132 | 8 | 4-34 | 16.50 | 1 | 0 | 13.50 | 7.33 |
| 2013-14 | (New Zealand) | 193 | 1 | 273 | 12 | 3-18 | 22.75 | 0 | 0 | 16.08 | 8.48 |
| 2014-15 | (New Zealand) | 189 | 0 | 276 | 11 | 4-10 | 25.09 | 1 | 0 | 17.18 | 8.76 |
| 2015-16 | (New Zealand) | 132 | 0 | 175 | 7 | 4-28 | 25.00 | 1 | 0 | 18.85 | 7.95 |