Table 2. Estimated stock numbers. | ||||||
Year\Age | 1 | 2 | 3 | 4 | 5 | 6+ |
1997 | 15163 | 5896 | 8589 | 1253 | 298 | 121 |
1998 | 13419 | 10538 | 2542 | 2548 | 354 | 100 |
1999 | 11355 | 8554 | 5632 | 604 | 522 | 95 |
2000 | 6421 | 7956 | 3484 | 1331 | 151 | 129 |
2001 | 4205 | 3669 | 2783 | 823 | 233 | 55 |
2002 | 8394 | 3074 | 1393 | 547 | 117 | 52 |
2003 | 1187 | 4246 | 899 | 276 | 106 | 26 |
2004 | 8848 | 1267 | 1638 | 257 | 85 | 52 |
2005 | 2859 | 3894 | 217 | 292 | 38 | 21 |
2006 | 4309 | 1895 | 1229 | 70 | 70 | 18 |
2007 | 1253 | 1883 | 499 | 279 | 24 | 37 |
2008 | 474 | 281 | 198 | 65 | 48 | 12 |
2009 | 1641 | 150 | 43 | 35 | 15 | 8 |
2010 | 1054 | 693 | 52 | 15 | 8 | 4 |
2011 | 1350 | 682 | 228 | 20 | 6 | 3 |
2012 | 2349 | 536 | 133 | 72 | 10 | 5 |
2013 | 2595 | 1196 | 257 | 85 | 28 | 8 |
2014 | 949 | 1860 | 487 | 172 | 52 | 27 |
2015 | 795 | 446 | 810 | 388 | 115 | 49 |
2016 | 175 | 296 | 237 | 386 | 195 | 78 |
2017 | 1506 | 170 | 163 | 104 | 126 | 73 |
2018 | 193 | 457 | 40 | 48 | 37 | 51 |
2019 | 259 | 101 | 127 | 17 | 20 | 11 |
2020 | 935 | 107 | 39 | 77 | 9 | 14 |