| 地區 | 嚴重 程度 |
2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 |
| 香港島 | 致命 | 19 | 30 | 19 | 23 | 21 | 19 | 12 | 14 | 12 | 8 |
| 嚴重 | 436 | 378 | 433 | 393 | 402 | 414 | 450 | 475 | 446 | 431 | |
| 輕微 | 2,700 | 2,469 | 2,544 | 2,615 | 2,551 | 2,597 | 2,529 | 2,383 | 2,414 | 2,269 | |
| 小計 | 3,155 | 2,877 | 2,996 | 3,031 | 2,974 | 3,030 | 2,991 | 2,872 | 2,872 | 2,708 | |
| 九龍 | 致命 | 56 | 38 | 40 | 48 | 46 | 49 | 34 | 53 | 48 | 43 |
| 嚴重 | 584 | 520 | 538 | 613 | 600 | 585 | 627 | 612 | 546 | 423 | |
| 輕微 | 4,288 | 4,246 | 4,462 | 4,520 | 4,471 | 4,577 | 4,444 | 4,622 | 4,573 | 4,617 | |
| 小計 | 4,928 | 4,804 | 5,040 | 5,181 | 5,117 | 5,211 | 5,105 | 5,287 | 5,167 | 5,083 | |
| 新界 | 致命 | 68 | 58 | 55 | 57 | 49 | 60 | 53 | 50 | 69 | 53 |
| 嚴重 | 1,076 | 1,045 | 1,081 | 1,184 | 1,383 | 1,477 | 1,431 | 1,423 | 1,387 | 1,216 | |
| 輕微 | 5,349 | 5,532 | 5,771 | 6,088 | 6,371 | 6,311 | 6,210 | 6,538 | 6,604 | 6,665 | |
| 小計 | 6,493 | 6,635 | 6,907 | 7,329 | 7,803 | 7,848 | 7,694 | 8,011 | 8,060 | 7,934 | |
| 所有地區 | 致命 | 143 | 126 | 114 | 128 | 116 | 128 | 99 | 117 | 129 | 104 |
| 嚴重 | 2,096 | 1,943 | 2,052 | 2,190 | 2,385 | 2,476 | 2,508 | 2,510 | 2,379 | 2,070 | |
| 輕微 | 12,337 | 12,247 | 12,777 | 13,223 | 13,393 | 13,485 | 13,183 | 13,543 | 13,591 | 13,551 | |
| 總計 | 14,576 | 14,316 | 14,943 | 15,541 | 15,894 | 16,089 | 15,790 | 16,170 | 16,099 | 15,725 |