| Year | Value | | 2022 | 168,829 | | 2021 | 163,235 | | 2020 | 157,791 | | 2019 | 152,463 | | 2018 | 147,447 | | 2017 | 142,802 | | 2016 | 138,298 | | 2015 | 133,958 | | 2014 | 129,851 | | 2013 | 125,802 | | 2012 | 121,701 | | 2011 | 117,603 | | 2010 | 113,565 | | 2009 | 109,468 | | 2008 | 105,518 | | 2007 | 101,984 | | 2006 | 98,935 | | 2005 | 96,018 | | 2004 | 92,801 | | 2003 | 89,112 | | 2002 | 85,071 | | 2001 | 80,016 | | 2000 | 75,362 | | 1999 | 73,265 | | 1998 | 72,526 | | 1997 | 72,582 | | 1996 | 73,249 | | 1995 | 74,541 | | 1994 | 76,629 | | 1993 | 78,675 | | 1992 | 79,817 | | 1991 | 81,286 | | 1990 | 80,290 | | 1989 | 77,210 | | 1988 | 75,530 | | 1987 | 73,986 | | 1986 | 72,610 | | 1985 | 71,429 | | 1984 | 70,381 | | 1983 | 69,300 | | 1982 | 68,215 | | 1981 | 67,185 | | 1980 | 66,202 | | 1979 | 65,243 | | 1978 | 64,282 | | 1977 | 63,327 | | 1976 | 62,460 | | 1975 | 61,673 | | 1974 | 60,890 | | 1973 | 60,090 | | 1972 | 59,270 | | 1971 | 58,450 | | 1970 | 57,602 | | 1969 | 56,731 | | 1968 | 55,864 | | 1967 | 54,991 | | 1966 | 54,126 | | 1965 | 53,265 | | 1964 | 52,414 | | 1963 | 51,588 | | 1962 | 50,775 | | 1961 | 49,982 | | 1960 | 49,214 |
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