Year | Value | 2022 | 183,368 | 2021 | 181,355 | 2020 | 178,605 | 2019 | 175,099 | 2018 | 173,219 | 2017 | 173,175 | 2016 | 173,390 | 2015 | 172,594 | 2014 | 170,772 | 2013 | 167,652 | 2012 | 164,159 | 2011 | 160,485 | 2010 | 154,222 | 2009 | 145,235 | 2008 | 133,876 | 2007 | 120,938 | 2006 | 107,242 | 2005 | 97,211 | 2004 | 92,163 | 2003 | 90,645 | 2002 | 91,440 | 2001 | 92,737 | 2000 | 92,856 | 1999 | 91,533 | 1998 | 89,219 | 1997 | 86,400 | 1996 | 83,559 | 1995 | 81,416 | 1994 | 79,879 | 1993 | 78,769 | 1992 | 77,578 | 1991 | 75,536 | 1990 | 71,514 | 1989 | 69,813 | 1988 | 69,655 | 1987 | 70,068 | 1986 | 70,673 | 1985 | 71,304 | 1984 | 71,208 | 1983 | 69,980 | 1982 | 66,772 | 1981 | 62,934 | 1980 | 59,354 | 1979 | 56,664 | 1978 | 55,742 | 1977 | 56,815 | 1976 | 58,789 | 1975 | 61,100 | 1974 | 63,130 | 1973 | 64,132 | 1972 | 63,631 | 1971 | 63,197 | 1970 | 61,488 | 1969 | 58,779 | 1968 | 55,933 | 1967 | 53,297 | 1966 | 49,887 | 1965 | 47,872 | 1964 | 45,740 | 1963 | 43,610 | 1962 | 41,600 | 1961 | 38,881 | 1960 | 36,400 |
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