First-Class Bowling in Each Season by Christi Viljoen
| Season | | Balls | Mdns | Runs | Wkts | BB | Ave | 5wI | 10wM |
| 2009-10 | (South Africa) | 841 | 25 | 432 | 15 | 4-36 | 28.80 | 0 | 0 |
| 2009-10 | (Namibia) | 324 | 9 | 138 | 5 | 2-9 | 27.60 | 0 | 0 |
| 2010-11 | (South Africa) | 1080 | 28 | 546 | 20 | 5-78 | 27.30 | 1 | 0 |
| 2010-11 | (Namibia) | 508 | 15 | 250 | 10 | 4-14 | 25.00 | 0 | 0 |
| 2011 | (Ireland) | 227 | 7 | 127 | 7 | 5-87 | 18.14 | 1 | 0 |
| 2011-12 | (South Africa) | 1043 | 42 | 472 | 20 | 5-46 | 23.60 | 1 | 0 |
| 2011-12 | (United Arab Emirates) | 90 | 1 | 70 | 1 | 1-42 | 70.00 | 0 | 0 |
| 2011-12 | (Namibia) | 1209 | 42 | 698 | 24 | 7-61 | 29.08 | 2 | 0 |
| 2012-13 | (Namibia) | 1133 | 31 | 601 | 25 | 4-54 | 24.04 | 0 | 0 |
| 2012-13 | (South Africa) | 1025 | 43 | 445 | 23 | 6-43 | 19.34 | 2 | 0 |
| 2013 | (Namibia) | 415 | 13 | 200 | 7 | 4-76 | 28.57 | 0 | 0 |
| 2013-14 | (South Africa) | 790 | 29 | 384 | 16 | 4-38 | 24.00 | 0 | 0 |
| 2013-14 | (United Arab Emirates) | 72 | 1 | 32 | 4 | 4-32 | 8.00 | 0 | 0 |
| 2013-14 | (Namibia) | 578 | 15 | 278 | 15 | 4-30 | 18.53 | 0 | 0 |
| 2014-15 | (South Africa) | 84 | 8 | 16 | 0 | | | | |
| 2014-15 | (Namibia) | 244 | 2 | 150 | 0 | | | | |
| 2015-16 | (New Zealand) | 537 | 29 | 231 | 11 | 3-44 | 21.00 | 0 | 0 |
| 2016-17 | (New Zealand) | 1351 | 49 | 701 | 18 | 5-101 | 38.94 | 1 | 0 |
| 2017 | (Scotland) | 42 | 2 | 23 | 0 | | | | |
| 2018-19 | (New Zealand) | 720 | 39 | 281 | 4 | 2-69 | 70.25 | 0 | 0 |