| year | Population | incidence rate | χ2 | P | ||||
| sum | male | female | incidence rate | Incidence rate of men | Incidence rate of women | |||
| 2012 | 354,213 | 175,671 | 178,542 | 878.00 (3110) | 807.76 (1419) | 947.12 (1691) | 19.759 | 0.000 |
| 2013 | 357,001 | 176,755 | 180,246 | 774.23 (2764) | 749.63 (1325) | 798.35 (1439) | 2.758 | 0.097 |
| 2014 | 360,496 | 178,224 | 182,273 | 639.12 (2304) | 593.08 (1057) | 684.14 (1247) | 11.768 | 0.001 |
| 2015 | 365,276 | 180,262 | 185,014 | 665.80 (2432) | 628.53 (1133) | 702.11 (1299) | 7.474 | 0.006 |
| 2016 | 372,095 | 183,157 | 188,938 | 529.97 (1972) | 454.81 (833) | 602.83 (1139) | 38.665 | 0.000 |
| 2017 | 381,516 | 187,133 | 194,383 | 597.09 (2278) | 560.55 (1049) | 632.27 (1229) | 8.186 | 0.004 |
| 2018 | 391,729 | 191,377 | 200,352 | 488.86 (1915) | 471.31 (902) | 505.62 (1013) | 2.366 | 0.124 |
| Average | 368,904 | 181,797 | 187,107 | 649.49 (2396) | 606.72 (1103) | 691.04 (1293) | 10.162 | 0.001 |