Year | Value | 2022 | 190,564 | 2021 | 187,980 | 2020 | 184,930 | 2019 | 180,926 | 2018 | 176,696 | 2017 | 173,459 | 2016 | 171,025 | 2015 | 168,875 | 2014 | 166,624 | 2013 | 164,013 | 2012 | 160,850 | 2011 | 157,894 | 2010 | 156,472 | 2009 | 156,614 | 2008 | 157,668 | 2007 | 160,190 | 2006 | 164,168 | 2005 | 167,494 | 2004 | 169,985 | 2003 | 172,229 | 2002 | 173,020 | 2001 | 172,482 | 2000 | 171,907 | 1999 | 170,278 | 1998 | 167,560 | 1997 | 164,790 | 1996 | 162,024 | 1995 | 159,442 | 1994 | 157,191 | 1993 | 155,506 | 1992 | 154,578 | 1991 | 154,493 | 1990 | 154,778 | 1989 | 154,680 | 1988 | 154,018 | 1987 | 152,904 | 1986 | 150,826 | 1985 | 148,727 | 1984 | 147,626 | 1983 | 147,171 | 1982 | 147,871 | 1981 | 150,641 | 1980 | 152,774 | 1979 | 152,246 | 1978 | 149,177 | 1977 | 142,721 | 1976 | 132,751 | 1975 | 122,791 | 1974 | 115,287 | 1973 | 109,395 | 1972 | 105,050 | 1971 | 102,355 | 1970 | 100,301 | 1969 | 97,767 | 1968 | 95,610 | 1967 | 94,959 | 1966 | 96,101 | 1965 | 98,271 | 1964 | 100,760 | 1963 | 103,559 | 1962 | 105,932 | 1961 | 108,017 | 1960 | 110,465 |
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