Year | Total number | IRC case | % |
2014 | 476 | 5 | 0.18 |
2015 | 570 | 7 | 0.26 |
2016 | 501 | 6 | 0.22 |
2017 | 437 | 4 | 0.15 |
2018 | 381 | 6 | 0.22 |
2019 | 351 | 5 | 0.18 |
Total | 2716 | 33 | 1.21 |