Year | Stage 1 | Stage 2 | Stage 3 | Stage 4 | Not recorded | Total sum |
1977 | 40% | 29.6% | 17.4% | 3.8% | 9.2% | 1,091 |
1978 | 36.5% | 32.8% | 18.6% | 4.1% | 8% | 1,007 |
1979 | 38.7% | 29.7% | 17.4% | 5.2% | 9% | 1,062 |
1980 | 36.2% | 30% | 18.9% | 4.4% | 10.5% | 1,105 |
1981 | 40.9% | 30.3% | 15.2% | 4.7% | 8.8% | 1,076 |
1982 | 37.9% | 20.4% | 14.3% | 5.8% | 21.5% | 1,116 |
1983 | 39% | 23.3% | 15.1% | 5.8% | 16.7% | 1,130 |
1984 | 39.5% | 26.7% | 16.2% | 6.1% | 11.5% | 1,136 |
1985 | 41.9% | 23.5% | 15.1% | 5.2% | 14.3% | 1,127 |
1986 | 41.4% | 23.6% | 15% | 6.2% | 13.9% | 1,183 |
1987 | 44.1% | 21.6% | 15.5% | 6.2% | 12.6% | 1,161 |
1988 | 46.2% | 22.1% | 13.8% | 5.4% | 12.6% | 1,131 |
1989 | 45% | 19% | 16.4% | 5.9% | 13.7% | 1,087 |
1990 | 42.5% | 20.2% | 16.5% | 6% | 14.8% | 1,070 |
1991 | 41.5% | 17.9% | 15.8% | 8.7% | 16.1% | 1,104 |
1992 | 41.8% | 20.1% | 16.3% | 8.3% | 13.5% | 1,211 |
1993 | 45.2% | 20.5% | 12.6% | 6.3% | 15.4% | 1,212 |
1994 | 42.4% | 18.3% | 16.8% | 5.6% | 16.8% | 1,212 |
1995 | 43.9% | 15.9% | 17% | 6.6% | 16.5% | 1,162 |
1996 | 41.9% | 14.7% | 15.2% | 7.1% | 21% | 1,142 |
1997 | 41.4% | 15.1% | 16% | 6.3% | 21.2% | 1,052 |
1998 | 37.2% | 14.9% | 17.8% | 6% | 24.2% | 1,092 |
1999 | 40.5% | 12.9% | 17.7% | 5.9% | 23% | 1,139 |
2000 | 46.3% | 15.9% | 18.3% | 4.9% | 14.6% | 1,052 |
2001 | 44.9% | 15.1% | 18.8% | 7.4% | 13.8% | 1,047 |
2002 | 42.2% | 16.5% | 18.2% | 7% | 16.1% | 1,098 |
2003 | 46% | 13.7% | 17.9% | 10.5% | 11.9% | 1,020 |
2004 | 46% | 14.2% | 19.9% | 7.3% | 12.7% | 1,042 |
2005 | 43.6% | 16.1% | 18.8% | 9.7% | 11.8% | 992 |
2006 | 48.9% | 15% | 19.6% | 8.5% | 7.9% | 1,071 |
2007 | 47.8% | 13.2% | 20.3% | 9.9% | 8.9% | 1,011 |
2008 | 48.6% | 13.5% | 18.9% | 13% | 6.1% | 1,023 |
2009 | 48.1% | 13.9% | 20.9% | 12.6% | 4.6% | 1,031 |
2010 | 48.6% | 12.1% | 21.3% | 11.7% | 6.3% | 994 |
2011 | 47.4% | 13.6% | 19.9% | 14.6% | 4.5% | 1,027 |
2012 | 44.5% | 13.8% | 19.7% | 16.8% | 5.2% | 925 |
2013 | 45.8% | 13.7% | 18.8% | 15% | 6.8% | 900 |
2014 | 47.4% | 12.6% | 19.8% | 13.1% | 7% | 823 |
Year | Stage 1 | Stage 2 | Stage 3 | Stage 4 | Not recorded | Total sum |
1977 | 436 | 323 | 190 | 42 | 100 | 1,091 |
1978 | 368 | 330 | 187 | 41 | 81 | 1,007 |
1979 | 411 | 315 | 185 | 55 | 96 | 1,062 |
1980 | 400 | 331 | 209 | 49 | 116 | 1,105 |
1981 | 440 | 326 | 164 | 51 | 95 | 1,076 |
1982 | 423 | 228 | 160 | 65 | 240 | 1,116 |
1983 | 441 | 263 | 171 | 66 | 189 | 1,130 |
1984 | 449 | 303 | 184 | 69 | 131 | 1,136 |
1985 | 472 | 265 | 170 | 59 | 161 | 1,127 |
1986 | 490 | 279 | 177 | 73 | 164 | 1,183 |
1987 | 512 | 251 | 180 | 72 | 146 | 1,161 |
1988 | 522 | 250 | 156 | 61 | 142 | 1,131 |
1989 | 489 | 207 | 178 | 64 | 149 | 1,087 |
1990 | 455 | 216 | 177 | 64 | 158 | 1,070 |
1991 | 458 | 198 | 174 | 96 | 178 | 1,104 |
1992 | 506 | 244 | 197 | 100 | 164 | 1,211 |
1993 | 548 | 248 | 153 | 76 | 187 | 1,212 |
1994 | 514 | 222 | 204 | 68 | 204 | 1,212 |
1995 | 510 | 185 | 198 | 77 | 192 | 1,162 |
1996 | 479 | 168 | 174 | 81 | 240 | 1,142 |
1997 | 436 | 159 | 168 | 66 | 223 | 1,052 |
1998 | 406 | 163 | 194 | 65 | 264 | 1,092 |
1999 | 461 | 147 | 202 | 67 | 262 | 1,139 |
2000 | 487 | 167 | 192 | 52 | 154 | 1,052 |
2001 | 470 | 158 | 197 | 78 | 144 | 1,047 |
2002 | 463 | 181 | 200 | 77 | 177 | 1,098 |
2003 | 469 | 140 | 183 | 107 | 121 | 1,020 |
2004 | 479 | 148 | 207 | 76 | 132 | 1,042 |
2005 | 433 | 160 | 186 | 96 | 117 | 992 |
2006 | 524 | 161 | 210 | 91 | 85 | 1,071 |
2007 | 483 | 133 | 205 | 100 | 90 | 1,011 |
2008 | 497 | 138 | 193 | 133 | 62 | 1,023 |
2009 | 496 | 143 | 215 | 130 | 47 | 1,031 |
2010 | 483 | 120 | 212 | 116 | 63 | 994 |
2011 | 487 | 140 | 204 | 150 | 46 | 1,027 |
2012 | 412 | 128 | 182 | 155 | 48 | 925 |
2013 | 412 | 123 | 169 | 135 | 61 | 900 |
2014 | 390 | 104 | 163 | 108 | 58 | 823 |
Age category | Stage 1 | Stage 2 | Stage 3 | Stage 4 | Not recorded | Total sum |
0–19 | 44.4% | 5.6% | 5.6% | 11.1% | 33.3% | 18 |
20–24 | 75.7% | 7.9% | 5.8% | 2.4% | 8.2% | 329 |
25–29 | 72.3% | 10.3% | 8.4% | 1.2% | 7.7% | 1,640 |
30–34 | 68.8% | 10.9% | 10.8% | 1.9% | 7.5% | 3,361 |
35–39 | 63.7% | 14.3% | 12.4% | 3.2% | 6.4% | 4,329 |
40–44 | 57.3% | 15.3% | 14.6% | 3.9% | 8.9% | 4,701 |
45–49 | 49.3% | 18.5% | 15.9% | 6% | 10.3% | 4,443 |
50–54 | 41.6% | 20.3% | 17.8% | 8.4% | 11.9% | 3,983 |
55–59 | 32.7% | 24.3% | 20.9% | 10.5% | 11.6% | 4,099 |
60–64 | 29.8% | 24% | 21.9% | 10.9% | 13.5% | 3,751 |
65–69 | 25.8% | 25.3% | 21.4% | 10.6% | 16.8% | 3,366 |
70–74 | 21.2% | 23.9% | 21.8% | 11.8% | 21.2% | 2,772 |
75–79 | 18% | 22.5% | 22.4% | 13.5% | 23.6% | 2,106 |
80–84 | 15.9% | 20.5% | 21.1% | 15.3% | 27.2% | 1,242 |
85+ | 8.7% | 13.3% | 23.6% | 16.4% | 38% | 724 |
Age category | Stage 1 | Stage 2 | Stage 3 | Stage 4 | Not recorded | Total sum |
0–19 | 8 | 1 | 1 | 2 | 6 | 18 |
20–24 | 249 | 26 | 19 | 8 | 27 | 329 |
25–29 | 1,186 | 169 | 138 | 20 | 127 | 1,640 |
30–34 | 2,313 | 368 | 363 | 64 | 253 | 3,361 |
35–39 | 2,756 | 617 | 538 | 140 | 278 | 4,329 |
40–44 | 2,694 | 718 | 688 | 181 | 420 | 4,701 |
45–49 | 2,191 | 821 | 705 | 268 | 458 | 4,443 |
50–54 | 1,658 | 810 | 708 | 334 | 473 | 3,983 |
55–59 | 1,341 | 997 | 857 | 429 | 475 | 4,099 |
60–64 | 1,117 | 899 | 823 | 407 | 505 | 3,751 |
65–69 | 869 | 852 | 721 | 357 | 567 | 3,366 |
70–74 | 589 | 663 | 604 | 327 | 589 | 2,772 |
75–79 | 380 | 473 | 472 | 285 | 496 | 2,106 |
80–84 | 197 | 255 | 262 | 190 | 338 | 1,242 |
85+ | 63 | 96 | 171 | 119 | 275 | 724 |