Women's International Twenty20 Bowling in Each Season by Nicola Browne
| Season | | Balls | Mdns | Runs | Wkts | BB | Ave | 4wI | 5wI | SRate | Econ |
| 2004 | (England) | | 0 | 0 | 0 | | | | | | 0.00 |
| 2006-07 | (Australia) | 24 | 0 | 19 | 1 | 1-19 | 19.00 | 0 | 0 | 24.00 | 4.75 |
| 2007 | (Australia) | 18 | 0 | 14 | 3 | 3-14 | 4.66 | 0 | 0 | 6.00 | 4.66 |
| 2007 | (England) | 90 | 0 | 96 | 4 | 2-21 | 24.00 | 0 | 0 | 22.50 | 6.40 |
| 2007-08 | (New Zealand) | | 0 | 0 | 0 | | | | | | 0.00 |
| 2008-09 | (Australia) | 6 | 0 | 14 | 0 | | | | | | 14.00 |
| 2009 | (England) | 42 | 0 | 47 | 1 | 1-18 | 47.00 | 0 | 0 | 42.00 | 6.71 |
| 2009-10 | (Australia) | 48 | 0 | 48 | 3 | 2-23 | 16.00 | 0 | 0 | 16.00 | 6.00 |
| 2009-10 | (New Zealand) | 48 | 0 | 29 | 2 | 1-10 | 14.50 | 0 | 0 | 24.00 | 3.62 |
| 2010 | (England) | 66 | 0 | 59 | 2 | 1-16 | 29.50 | 0 | 0 | 33.00 | 5.36 |
| 2010 | (West Indies) | 96 | 2 | 77 | 9 | 4-15 | 8.55 | 1 | 0 | 10.66 | 4.81 |
| 2010-11 | (New Zealand) | 90 | 0 | 102 | 6 | 2-21 | 17.00 | 0 | 0 | 15.00 | 6.80 |
| 2011 | (England) | 48 | 0 | 57 | 2 | 2-17 | 28.50 | 0 | 0 | 24.00 | 7.12 |
| 2012-13 | (Sri Lanka) | 84 | 1 | 67 | 4 | 3-13 | 16.75 | 0 | 0 | 21.00 | 4.78 |
| 2012-13 | (Australia) | 6 | 0 | 10 | 0 | | | | | | 10.00 |
| 2013-14 | (New Zealand) | 42 | 0 | 42 | 3 | 1-11 | 14.00 | 0 | 0 | 14.00 | 6.00 |
| 2013-14 | (West Indies) | 96 | 1 | 61 | 4 | 2-18 | 15.25 | 0 | 0 | 24.00 | 3.81 |
| 2013-14 | (Bangladesh) | 72 | 0 | 72 | 3 | 2-16 | 24.00 | 0 | 0 | 24.00 | 6.00 |