Year | Value | 2022 | 184,563 | 2021 | 186,948 | 2020 | 187,177 | 2019 | 181,104 | 2018 | 170,096 | 2017 | 155,469 | 2016 | 143,481 | 2015 | 134,446 | 2014 | 128,391 | 2013 | 127,588 | 2012 | 128,942 | 2011 | 126,681 | 2010 | 123,256 | 2009 | 121,858 | 2008 | 117,931 | 2007 | 115,258 | 2006 | 114,673 | 2005 | 115,479 | 2004 | 117,273 | 2003 | 119,911 | 2002 | 121,770 | 2001 | 122,247 | 2000 | 122,129 | 1999 | 121,184 | 1998 | 120,553 | 1997 | 120,510 | 1996 | 120,411 | 1995 | 120,334 | 1994 | 117,513 | 1993 | 113,182 | 1992 | 110,446 | 1991 | 107,523 | 1990 | 104,088 | 1989 | 104,639 | 1988 | 107,193 | 1987 | 108,325 | 1986 | 110,226 | 1985 | 112,071 | 1984 | 112,959 | 1983 | 112,986 | 1982 | 112,120 | 1981 | 110,411 | 1980 | 107,885 | 1979 | 104,676 | 1978 | 101,156 | 1977 | 97,191 | 1976 | 93,467 | 1975 | 90,424 | 1974 | 87,513 | 1973 | 85,153 | 1972 | 82,890 | 1971 | 80,073 | 1970 | 77,526 | 1969 | 74,793 | 1968 | 71,303 | 1967 | 68,279 | 1966 | 66,303 | 1965 | 64,192 | 1964 | 62,199 | 1963 | 61,560 | 1962 | 61,570 | 1961 | 60,923 | 1960 | 60,023 |
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