First-Class Bowling in Each Season by Iain O'Brien
| Season | | Balls | Mdns | Runs | Wkts | BB | Ave | 5wI | 10wM |
| 2000-01 | (New Zealand) | 1915 | 81 | 807 | 41 | 6-55 | 19.68 | 3 | 0 |
| 2001-02 | (New Zealand) | 426 | 21 | 176 | 9 | 4-49 | 19.55 | 0 | 0 |
| 2002-03 | (New Zealand) | 1542 | 83 | 631 | 34 | 6-103 | 18.55 | 2 | 0 |
| 2003-04 | (New Zealand) | 781 | 29 | 486 | 16 | 3-41 | 30.37 | 0 | 0 |
| 2004-05 | (New Zealand) | 1440 | 60 | 728 | 22 | 4-47 | 33.09 | 0 | 0 |
| 2005-06 | (New Zealand) | 630 | 36 | 287 | 12 | 4-12 | 23.91 | 0 | 0 |
| 2005-06 | (Sri Lanka) | 228 | 13 | 136 | 2 | 1-45 | 68.00 | 0 | 0 |
| 2006-07 | (New Zealand) | 1448 | 66 | 709 | 34 | 8-55 | 20.85 | 3 | 1 |
| 2007-08 | (South Africa) | 453 | 18 | 266 | 4 | 2-78 | 66.50 | 0 | 0 |
| 2007-08 | (New Zealand) | 935 | 32 | 485 | 20 | 5-70 | 24.25 | 1 | 0 |
| 2008 | (England) | 841 | 34 | 402 | 15 | 4-74 | 26.80 | 0 | 0 |
| 2008-09 | (Australia) | 588 | 17 | 338 | 11 | 3-73 | 30.72 | 0 | 0 |
| 2008-09 | (New Zealand) | 1145 | 42 | 663 | 17 | 6-75 | 39.00 | 1 | 0 |
| 2008-09 | (Bangladesh) | 319 | 21 | 95 | 8 | 3-31 | 11.87 | 0 | 0 |
| 2008-09 | (India) | 210 | 13 | 72 | 4 | 3-30 | 18.00 | 0 | 0 |
| 2009 | (Sri Lanka) | 494 | 9 | 376 | 8 | 2-56 | 47.00 | 0 | 0 |
| 2009 | (England) | 1088 | 38 | 547 | 21 | 6-39 | 26.04 | 2 | 0 |
| 2009-10 | (New Zealand) | 1131 | 35 | 560 | 21 | 5-75 | 26.66 | 1 | 0 |
| 2010 | (England) | 1231 | 36 | 628 | 23 | 7-48 | 27.30 | 1 | 0 |