Year | Value | 2022 | 186,849 | 2021 | 187,139 | 2020 | 184,510 | 2019 | 180,333 | 2018 | 173,742 | 2017 | 164,331 | 2016 | 154,334 | 2015 | 143,799 | 2014 | 132,809 | 2013 | 121,482 | 2012 | 110,040 | 2011 | 98,422 | 2010 | 87,796 | 2009 | 80,807 | 2008 | 76,471 | 2007 | 72,623 | 2006 | 69,203 | 2005 | 65,982 | 2004 | 62,853 | 2003 | 59,678 | 2002 | 56,497 | 2001 | 53,349 | 2000 | 50,293 | 1999 | 47,388 | 1998 | 44,639 | 1997 | 42,153 | 1996 | 39,942 | 1995 | 37,910 | 1994 | 35,907 | 1993 | 33,864 | 1992 | 31,834 | 1991 | 30,000 | 1990 | 28,358 | 1989 | 26,792 | 1988 | 25,354 | 1987 | 24,140 | 1986 | 23,174 | 1985 | 22,365 | 1984 | 21,622 | 1983 | 20,840 | 1982 | 19,943 | 1981 | 18,949 | 1980 | 18,145 | 1979 | 17,597 | 1978 | 17,074 | 1977 | 16,689 | 1976 | 16,589 | 1975 | 16,698 | 1974 | 16,836 | 1973 | 16,947 | 1972 | 17,046 | 1971 | 17,161 | 1970 | 17,308 | 1969 | 17,444 | 1968 | 17,564 | 1967 | 17,699 | 1966 | 17,850 | 1965 | 18,017 | 1964 | 18,202 | 1963 | 18,411 | 1962 | 18,645 | 1961 | 18,901 | 1960 | 19,174 |
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