Trend line is a rolling average of total accidents
| Year | Fatal | Serious | Slight | Total |
|---|---|---|---|---|
| 1979 | 25 | 373 | 1260 | 1658 |
| 1980 | 28 | 333 | 1270 | 1631 |
| 1981 | 27 | 374 | 1231 | 1632 |
| 1982 | 24 | 396 | 1317 | 1737 |
| 1983 | 22 | 355 | 1188 | 1565 |
| 1984 | 15 | 340 | 1240 | 1595 |
| 1985 | 14 | 274 | 1197 | 1485 |
| 1986 | 20 | 310 | 1190 | 1520 |
| 1987 | 13 | 306 | 1044 | 1363 |
| 1988 | 12 | 326 | 1050 | 1388 |
| 1989 | 18 | 266 | 1160 | 1444 |
| 1990 | 22 | 280 | 1041 | 1343 |
| 1991 | 5 | 242 | 937 | 1184 |
| 1992 | 11 | 186 | 1022 | 1219 |
| 1993 | 7 | 133 | 1058 | 1198 |
| 1994 | 8 | 168 | 1061 | 1237 |
| 1995 | 12 | 190 | 978 | 1180 |
| 1996 | 6 | 212 | 952 | 1170 |
| 1997 | 8 | 249 | 984 | 1241 |
| 1998 | 10 | 210 | 956 | 1176 |
| 1999 | 14 | 185 | 956 | 1155 |
| 2000 | 9 | 154 | 850 | 1013 |
| 2001 | 9 | 164 | 849 | 1022 |
| 2002 | 9 | 190 | 907 | 1106 |
| 2003 | 13 | 146 | 728 | 887 |
| 2004 | 10 | 129 | 761 | 900 |
| 2005 | 9 | 113 | 735 | 857 |
| 2006 | 12 | 132 | 612 | 756 |
| 2007 | 7 | 121 | 548 | 676 |
| 2008 | 13 | 104 | 566 | 683 |
| 2009 | 9 | 107 | 584 | 700 |
| 2010 | 3 | 80 | 597 | 680 |
| 2011 | 6 | 69 | 625 | 700 |
| 2012 | 7 | 78 | 589 | 674 |
| 2013 | 5 | 61 | 586 | 652 |
| 2014 | 3 | 46 | 694 | 743 |