Year | Value | 2022 | 72,453 | 2021 | 71,321 | 2020 | 69,685 | 2019 | 67,298 | 2018 | 64,819 | 2017 | 62,657 | 2016 | 60,765 | 2015 | 59,181 | 2014 | 57,202 | 2013 | 54,819 | 2012 | 52,564 | 2011 | 50,003 | 2010 | 47,829 | 2009 | 46,248 | 2008 | 44,360 | 2007 | 43,525 | 2006 | 42,927 | 2005 | 41,040 | 2004 | 39,393 | 2003 | 37,638 | 2002 | 34,568 | 2001 | 32,066 | 2000 | 31,561 | 1999 | 30,860 | 1998 | 29,419 | 1997 | 28,145 | 1996 | 26,889 | 1995 | 25,614 | 1994 | 23,942 | 1993 | 21,538 | 1992 | 18,435 | 1991 | 16,404 | 1990 | 16,361 | 1989 | 16,366 | 1988 | 15,936 | 1987 | 15,940 | 1986 | 16,345 | 1985 | 16,908 | 1984 | 17,145 | 1983 | 17,254 | 1982 | 18,068 | 1981 | 20,602 | 1980 | 23,582 | 1979 | 24,972 | 1978 | 25,159 | 1977 | 24,758 | 1976 | 24,284 | 1975 | 23,877 | 1974 | 23,536 | 1973 | 23,270 | 1972 | 23,078 | 1971 | 22,887 | 1970 | 22,634 | 1969 | 22,318 | 1968 | 21,942 | 1967 | 21,514 | 1966 | 21,096 | 1965 | 20,724 | 1964 | 20,385 | 1963 | 20,067 | 1962 | 19,769 | 1961 | 19,474 | 1960 | 19,171 |
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