Year | Value | 2023 | 57,413 | 2022 | 50,381 | 2021 | 48,493 | 2020 | 53,171 | 2019 | 62,194 | 2018 | 73,250 | 2017 | 83,287 | 2016 | 90,156 | 2015 | 93,197 | 2014 | 92,606 | 2013 | 88,868 | 2012 | 83,683 | 2011 | 77,215 | 2010 | 72,023 | 2009 | 69,558 | 2008 | 67,163 | 2007 | 64,078 | 2006 | 61,470 | 2005 | 57,435 | 2004 | 52,698 | 2003 | 48,896 | 2002 | 44,727 | 2001 | 41,807 | 2000 | 40,392 | 1999 | 38,820 | 1998 | 36,732 | 1997 | 35,942 | 1996 | 36,023 | 1995 | 34,894 | 1994 | 33,876 | 1993 | 33,637 | 1992 | 32,971 | 1991 | 33,673 | 1990 | 33,730 | 1989 | 33,370 | 1988 | 33,274 | 1987 | 33,284 | 1986 | 33,086 | 1985 | 32,852 | 1984 | 32,573 | 1983 | 32,384 | 1982 | 32,344 | 1981 | 32,252 | 1980 | 32,054 | 1979 | 31,785 | 1978 | 31,357 | 1977 | 30,719 | 1976 | 29,930 | 1975 | 28,912 |
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