| Year | Level of exploitation | Reproductive capacity | Assessed Stocks |
|---|---|---|---|
| 1950 | 0.328906 | 1.010448102 | 3 |
| 1951 | 0.221016 | 0.77186073 | 3 |
| 1952 | 0.456581 | 0.541193486 | 3 |
| 1953 | 0.117653 | 0.510046493 | 3 |
| 1954 | 0.053044 | 0.612902247 | 3 |
| 1955 | 0.305479 | 0.803845685 | 3 |
| 1956 | 0.338189 | 0.970110232 | 3 |
| 1957 | 0.243633 | 0.616495004 | 8 |
| 1958 | 0.48921 | 0.545916448 | 9 |
| 1959 | 0.369254 | 0.700112502 | 9 |
| 1960 | 0.371924 | 0.724464848 | 9 |
| 1961 | 0.265533 | 0.660955682 | 12 |
| 1962 | 0.509869 | 0.595540592 | 12 |
| 1963 | 0.64242 | 0.5609263 | 14 |
| 1964 | 0.491924 | 0.631182086 | 14 |
| 1965 | 0.456085 | 0.743263612 | 14 |
| 1966 | 0.566831 | 1.05488654 | 15 |
| 1967 | 0.5891 | 0.971759263 | 16 |
| 1968 | 0.637905 | 1.094769842 | 16 |
| 1969 | 0.770681 | 1.322853184 | 17 |
| 1970 | 0.94424 | 1.267421466 | 19 |
| 1971 | 0.984914 | 1.037627732 | 21 |
| 1972 | 0.972289 | 1.021446866 | 21 |
| 1973 | 0.94013 | 0.836116794 | 22 |
| 1974 | 0.91532 | 0.894794164 | 25 |
| 1975 | 0.991283 | 0.758904085 | 25 |
| 1976 | 1.042124 | 0.642353697 | 25 |
| 1977 | 0.968892 | 0.515219411 | 26 |
| 1978 | 0.748783 | 0.368339389 | 27 |
| 1979 | 0.687164 | 0.437779639 | 27 |
| 1980 | 0.780902 | 0.492727328 | 29 |
| 1981 | 0.856827 | 0.677742512 | 32 |
| 1982 | 0.810191 | 0.624584375 | 34 |
| 1983 | 0.937017 | 0.573704323 | 34 |
| 1984 | 0.959863 | 0.514633581 | 35 |
| 1985 | 0.894157 | 0.550256742 | 35 |
| 1986 | 1.077398 | 0.414791505 | 36 |
| 1987 | 1.131241 | 0.50568618 | 37 |
| 1988 | 1.012782 | 0.51963031 | 38 |
| 1989 | 1.043973 | 0.337652562 | 38 |
| 1990 | 1.021941 | 0.334726907 | 38 |
| 1991 | 0.98917 | 0.246245348 | 40 |
| 1992 | 0.965219 | 0.296959918 | 40 |
| 1993 | 0.90451 | 0.346355833 | 41 |
| 1994 | 0.954124 | 0.369304448 | 41 |
| 1995 | 1.009986 | 0.344282905 | 41 |
| 1996 | 1.025912 | 0.432935815 | 41 |
| 1997 | 1.259608 | 0.374558331 | 41 |
| 1998 | 1.19843 | 0.355488941 | 41 |
| 1999 | 1.185377 | 0.152069899 | 41 |
| 2000 | 1.074978 | 0.08864302 | 41 |
| 2001 | 0.978472 | 0.210080256 | 41 |
| 2002 | 1.017042 | 0.290138146 | 41 |
| 2003 | 0.857162 | 0.325870692 | 41 |
| 2004 | 0.794018 | 0.318509741 | 41 |
| 2005 | 0.800427 | 0.317931218 | 41 |
| 2006 | 0.674803 | 0.218959882 | 41 |
| 2007 | 0.625845 | 0.196743211 | 41 |
| 2008 | 0.4869 | 0.264737379 | 41 |
| 2009 | 0.407588 | 0.345323278 | 41 |
| 2010 | 0.313986 | 0.42064159 | 41 |
| 2011 | 0.206209 | 0.678006834 | 41 |
| 2012 | 0.186412 | 0.654355469 | 41 |