Table 2. Estimated stock numbers. | ||||||||||
Year\Age | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10+ |
1975 | 4814 | 5057 | 2447 | 781 | 419 | 457 | 479 | 220 | 186 | 746 |
1976 | 6497 | 3793 | 3642 | 1296 | 461 | 267 | 292 | 319 | 149 | 643 |
1977 | 7420 | 5595 | 2415 | 2076 | 745 | 285 | 168 | 199 | 214 | 532 |
1978 | 3926 | 6326 | 3841 | 1274 | 1176 | 432 | 184 | 111 | 128 | 487 |
1979 | 2859 | 3270 | 4299 | 2041 | 802 | 673 | 280 | 122 | 74 | 401 |
1980 | 3532 | 2342 | 2160 | 2311 | 1171 | 526 | 402 | 188 | 80 | 307 |
1981 | 2928 | 2958 | 1563 | 1116 | 1337 | 711 | 359 | 251 | 126 | 249 |
1982 | 4724 | 2299 | 2135 | 754 | 629 | 831 | 484 | 236 | 165 | 248 |
1983 | 6575 | 3897 | 1528 | 1140 | 402 | 382 | 531 | 338 | 157 | 273 |
1984 | 5601 | 5623 | 2637 | 815 | 592 | 230 | 232 | 334 | 223 | 296 |
1985 | 3310 | 4807 | 3505 | 1178 | 439 | 300 | 126 | 143 | 201 | 333 |
1986 | 3194 | 2693 | 2811 | 1359 | 520 | 228 | 143 | 74 | 82 | 315 |
1987 | 4013 | 2712 | 1680 | 1274 | 620 | 262 | 128 | 79 | 44 | 244 |
1988 | 4674 | 3410 | 1777 | 748 | 615 | 330 | 141 | 78 | 48 | 173 |
1989 | 4590 | 3895 | 2077 | 744 | 380 | 324 | 182 | 82 | 46 | 134 |
1990 | 6008 | 3856 | 2516 | 924 | 390 | 194 | 201 | 114 | 48 | 108 |
1991 | 5494 | 4903 | 2363 | 1009 | 426 | 193 | 105 | 116 | 66 | 90 |
1992 | 6637 | 4541 | 2810 | 900 | 442 | 206 | 100 | 59 | 65 | 88 |
1993 | 6852 | 5431 | 2630 | 948 | 368 | 202 | 102 | 54 | 32 | 83 |
1994 | 5901 | 5706 | 2965 | 876 | 352 | 159 | 98 | 54 | 28 | 60 |
1995 | 5846 | 4720 | 3227 | 930 | 330 | 143 | 75 | 51 | 28 | 46 |
1996 | 4296 | 4773 | 2683 | 1084 | 352 | 144 | 65 | 39 | 27 | 39 |
1997 | 3522 | 3537 | 2578 | 965 | 443 | 156 | 73 | 33 | 21 | 36 |
1998 | 4196 | 2852 | 2081 | 881 | 427 | 205 | 79 | 40 | 17 | 32 |
1999 | 4161 | 3497 | 1718 | 847 | 394 | 212 | 115 | 46 | 23 | 29 |
2000 | 5573 | 3236 | 2048 | 648 | 367 | 185 | 110 | 68 | 26 | 29 |
2001 | 3572 | 4634 | 1877 | 754 | 259 | 155 | 94 | 58 | 37 | 30 |
2002 | 4702 | 2719 | 2682 | 545 | 287 | 116 | 66 | 47 | 27 | 33 |
2003 | 3259 | 3896 | 1359 | 764 | 162 | 110 | 54 | 30 | 22 | 28 |
2004 | 5237 | 2403 | 2036 | 308 | 252 | 52 | 48 | 25 | 14 | 22 |
2005 | 4535 | 4320 | 1247 | 615 | 99 | 112 | 20 | 26 | 13 | 17 |
2006 | 5888 | 3593 | 2493 | 448 | 244 | 42 | 59 | 10 | 14 | 17 |
2007 | 5283 | 4865 | 2235 | 995 | 214 | 125 | 23 | 36 | 6 | 19 |
2008 | 2939 | 4527 | 2973 | 864 | 404 | 105 | 65 | 13 | 21 | 14 |
2009 | 3398 | 2226 | 2982 | 1287 | 444 | 184 | 56 | 37 | 8 | 22 |
2010 | 4686 | 2778 | 1167 | 1103 | 540 | 222 | 93 | 31 | 21 | 16 |
2011 | 5454 | 3841 | 1720 | 417 | 472 | 270 | 109 | 53 | 17 | 20 |
2012 | 3225 | 4642 | 2115 | 684 | 168 | 229 | 138 | 60 | 31 | 20 |
2013 | 2774 | 2582 | 3055 | 908 | 318 | 90 | 129 | 76 | 34 | 30 |
2014 | 4441 | 2056 | 1668 | 1199 | 424 | 162 | 49 | 72 | 42 | 38 |
2015 | 4551 | 3628 | 1158 | 550 | 462 | 184 | 77 | 25 | 37 | 42 |
2016 | 4665 | 3719 | 2041 | 380 | 211 | 200 | 88 | 40 | 13 | 41 |
2017 | 4781 | 3811 | 2089 | 668 | 146 | 91 | 95 | 46 | 21 | 28 |