Women's Twenty20 Bowling in Each Season by Bella Armstrong
| Season | | Balls | Mdns | Runs | Wkts | BB | Ave | 4wI | 5wI | SRate | Econ |
| 2016-17 | (New Zealand) | 36 | 1 | 39 | 0 | | | | | | 6.50 |
| 2017-18 | (New Zealand) | 180 | 0 | 152 | 14 | 3-20 | 10.85 | 0 | 0 | 12.85 | 5.06 |
| 2018-19 | (New Zealand) | 144 | 0 | 143 | 6 | 3-18 | 23.83 | 0 | 0 | 24.00 | 5.95 |
| 2019-20 | (New Zealand) | 276 | 0 | 303 | 8 | 2-23 | 37.87 | 0 | 0 | 34.50 | 6.58 |
| 2020-21 | (New Zealand) | 81 | 0 | 119 | 3 | 1-12 | 39.66 | 0 | 0 | 27.00 | 8.81 |
| 2021-22 | (New Zealand) | 84 | 0 | 113 | 3 | 2-24 | 37.66 | 0 | 0 | 28.00 | 8.07 |
| 2022-23 | (New Zealand) | 90 | 0 | 138 | 1 | 1-19 | 138.00 | 0 | 0 | 90.00 | 9.20 |
| 2023 | (Ireland) | | 0 | 0 | 0 | | | | | | 0.00 |
| 2023-24 | (South Africa) | | 0 | 0 | 0 | | | | | | 0.00 |
| 2023-24 | (New Zealand) | | 0 | 0 | 0 | | | | | | 0.00 |
| 2024-25 | (New Zealand) | | 0 | 0 | 0 | | | | | | 0.00 |