Year | Value | 2022 | 177,547 | 2021 | 171,187 | 2020 | 166,851 | 2019 | 162,777 | 2018 | 159,366 | 2017 | 156,211 | 2016 | 153,204 | 2015 | 150,759 | 2014 | 148,825 | 2013 | 147,809 | 2012 | 147,330 | 2011 | 146,913 | 2010 | 146,890 | 2009 | 147,183 | 2008 | 147,222 | 2007 | 147,120 | 2006 | 147,143 | 2005 | 146,759 | 2004 | 145,933 | 2003 | 145,105 | 2002 | 144,877 | 2001 | 144,002 | 2000 | 141,783 | 1999 | 140,624 | 1998 | 140,061 | 1997 | 139,128 | 1996 | 138,448 | 1995 | 137,782 | 1994 | 136,793 | 1993 | 135,346 | 1992 | 133,481 | 1991 | 130,885 | 1990 | 128,086 | 1989 | 124,926 | 1988 | 121,355 | 1987 | 117,765 | 1986 | 114,130 | 1985 | 110,687 | 1984 | 107,327 | 1983 | 103,885 | 1982 | 100,244 | 1981 | 96,588 | 1980 | 93,204 | 1979 | 89,768 | 1978 | 86,090 | 1977 | 82,141 | 1976 | 78,488 | 1975 | 75,037 | 1974 | 71,694 | 1973 | 68,653 | 1972 | 65,688 | 1971 | 62,794 | 1970 | 59,858 | 1969 | 57,058 | 1968 | 54,599 | 1967 | 52,439 | 1966 | 50,686 | 1965 | 48,984 | 1964 | 47,065 | 1963 | 45,277 | 1962 | 43,686 | 1961 | 42,102 | 1960 | 40,641 |
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