Women's Twenty20 Bowling in Each Season by Jana Nell
| Season | | Balls | Mdns | Runs | Wkts | BB | Ave | 4wI | 5wI | SRate | Econ |
| 2008 | (South Africa) | 39 | 1 | 17 | 2 | 1-1 | 8.50 | 0 | 0 | 19.50 | 2.61 |
| 2009-10 | (South Africa) | 0 | 0 | 59 | 6 | 4-32 | 9.83 | 1 | 0 | 0.00 | 0.00 |
| 2010-11 | (South Africa) | 24 | 0 | 12 | 2 | 2-12 | 6.00 | 0 | 0 | 12.00 | 3.00 |
| 2012-13 | (South Africa) | | 0 | 0 | 0 | | | | | | 0.00 |
| 2013-14 | (South Africa) | 70 | 2 | 38 | 5 | 3-8 | 7.60 | 0 | 0 | 14.00 | 3.25 |
| 2014-15 | (South Africa) | 12 | 0 | 14 | 0 | | | | | | 7.00 |
| 2016-17 | (South Africa) | 66 | 0 | 73 | 1 | 1-16 | 73.00 | 0 | 0 | 66.00 | 6.63 |
| 2017-18 | (South Africa) | 90 | 1 | 81 | 5 | 2-8 | 16.20 | 0 | 0 | 18.00 | 5.40 |
| 2018-19 | (South Africa) | 51 | 0 | 24 | 6 | 3-9 | 4.00 | 0 | 0 | 8.50 | 2.82 |
| 2019-20 | (South Africa) | 96 | 1 | 48 | 7 | 3-8 | 6.85 | 0 | 0 | 13.71 | 3.00 |
| 2021-22 | (South Africa) | 78 | 1 | 48 | 4 | 2-17 | 12.00 | 0 | 0 | 19.50 | 3.69 |
| 2022-23 | (South Africa) | 66 | 1 | 66 | 2 | 1-16 | 33.00 | 0 | 0 | 33.00 | 6.00 |
| 2023-24 | (South Africa) | 66 | 0 | 48 | 0 | | | | | | 4.36 |
| 2024-25 | (South Africa) | 42 | 0 | 38 | 2 | 2-18 | 19.00 | 0 | 0 | 21.00 | 5.42 |