Year | Value | 2022 | 256,380 | 2021 | 238,378 | 2020 | 221,454 | 2019 | 208,377 | 2018 | 197,714 | 2017 | 189,807 | 2016 | 184,558 | 2015 | 181,654 | 2014 | 179,770 | 2013 | 178,657 | 2012 | 178,246 | 2011 | 177,430 | 2010 | 175,697 | 2009 | 173,203 | 2008 | 170,379 | 2007 | 168,172 | 2006 | 166,801 | 2005 | 167,260 | 2004 | 169,411 | 2003 | 171,960 | 2002 | 174,889 | 2001 | 177,800 | 2000 | 179,500 | 1999 | 178,944 | 1998 | 175,680 | 1997 | 169,991 | 1996 | 162,602 | 1995 | 154,470 | 1994 | 147,228 | 1993 | 143,304 | 1992 | 140,958 | 1991 | 137,047 | 1990 | 132,859 | 1989 | 127,986 | 1988 | 121,343 | 1987 | 113,935 | 1986 | 105,730 | 1985 | 96,744 | 1984 | 87,715 | 1983 | 78,569 | 1982 | 71,919 | 1981 | 71,084 | 1980 | 74,194 | 1979 | 81,247 | 1978 | 92,826 | 1977 | 104,014 | 1976 | 109,833 | 1975 | 111,488 | 1974 | 111,269 | 1973 | 107,879 | 1972 | 102,145 | 1971 | 97,304 | 1970 | 94,984 | 1969 | 94,359 | 1968 | 95,181 | 1967 | 96,974 | 1966 | 97,455 | 1965 | 95,324 | 1964 | 91,297 | 1963 | 85,343 | 1962 | 77,951 | 1961 | 70,557 | 1960 | 63,815 |
|