First-Class Bowling in Each Season by Todd Astle
| Season | | Balls | Mdns | Runs | Wkts | BB | Ave | 5wI | 10wM |
| 2005-06 | (New Zealand) | 216 | 10 | 119 | 3 | 2-57 | 39.66 | 0 | 0 |
| 2006-07 | (New Zealand) | 1007 | 20 | 575 | 12 | 2-19 | 47.91 | 0 | 0 |
| 2007-08 | (New Zealand) | 821 | 13 | 473 | 16 | 4-26 | 29.56 | 0 | 0 |
| 2008-09 | (New Zealand) | 889 | 26 | 529 | 10 | 2-39 | 52.90 | 0 | 0 |
| 2009-10 | (New Zealand) | 798 | 26 | 458 | 18 | 6-103 | 25.44 | 3 | 0 |
| 2010-11 | (New Zealand) | 2158 | 41 | 1076 | 37 | 6-28 | 29.08 | 2 | 0 |
| 2011-12 | (New Zealand) | 1796 | 30 | 1189 | 31 | 4-43 | 38.35 | 0 | 0 |
| 2012-13 | (Sri Lanka) | 186 | 6 | 97 | 1 | 1-56 | 97.00 | 0 | 0 |
| 2012-13 | (New Zealand) | 1134 | 12 | 728 | 13 | 3-83 | 56.00 | 0 | 0 |
| 2013-14 | (Sri Lanka) | 168 | 0 | 135 | 1 | 1-52 | 135.00 | 0 | 0 |
| 2013-14 | (India) | 276 | 3 | 202 | 5 | 3-106 | 40.40 | 0 | 0 |
| 2013-14 | (New Zealand) | 2275 | 65 | 1128 | 37 | 8-148 | 30.48 | 2 | 1 |
| 2014 | (England) | 90 | 1 | 83 | 4 | 4-83 | 20.75 | 0 | 0 |
| 2014-15 | (New Zealand) | 1964 | 51 | 1042 | 44 | 5-46 | 23.68 | 1 | 0 |
| 2015-16 | (New Zealand) | 2108 | 46 | 1168 | 47 | 7-78 | 24.85 | 2 | 1 |
| 2016-17 | (New Zealand) | 1569 | 34 | 833 | 31 | 5-36 | 26.87 | 2 | 0 |
| 2017-18 | (India) | 62 | 1 | 55 | 2 | 2-55 | 27.50 | 0 | 0 |
| 2017-18 | (New Zealand) | 109 | 6 | 43 | 4 | 3-39 | 10.75 | 0 | 0 |
| 2018-19 | (New Zealand) | 426 | 15 | 222 | 9 | 5-69 | 24.66 | 1 | 0 |
| 2018-19 | (United Arab Emirates) | 168 | 2 | 117 | 0 | | | | |
| 2019-20 | (Australia) | 240 | 1 | 152 | 3 | 2-111 | 50.66 | 0 | 0 |
| 2019-20 | (New Zealand) | 545 | 17 | 322 | 6 | 2-51 | 53.66 | 0 | 0 |