Year | Value | 2022 | 148,994 | 2021 | 137,528 | 2020 | 141,037 | 2019 | 144,913 | 2018 | 151,161 | 2017 | 158,686 | 2016 | 166,845 | 2015 | 175,466 | 2014 | 182,768 | 2013 | 187,971 | 2012 | 192,211 | 2011 | 196,100 | 2010 | 200,312 | 2009 | 205,139 | 2008 | 209,233 | 2007 | 212,565 | 2006 | 215,460 | 2005 | 217,635 | 2004 | 220,625 | 2003 | 224,650 | 2002 | 227,991 | 2001 | 230,604 | 2000 | 232,512 | 1999 | 232,129 | 1998 | 229,191 | 1997 | 224,725 | 1996 | 218,167 | 1995 | 209,986 | 1994 | 201,372 | 1993 | 192,912 | 1992 | 186,036 | 1991 | 183,259 | 1990 | 183,729 | 1989 | 185,657 | 1988 | 189,303 | 1987 | 192,909 | 1986 | 195,665 | 1985 | 197,772 | 1984 | 198,470 | 1983 | 199,521 | 1982 | 203,104 | 1981 | 207,838 | 1980 | 212,543 | 1979 | 217,168 | 1978 | 220,186 | 1977 | 221,369 | 1976 | 221,245 | 1975 | 219,241 | 1974 | 214,796 | 1973 | 208,916 | 1972 | 202,086 | 1971 | 192,133 | 1970 | 181,171 | 1969 | 173,274 | 1968 | 166,363 | 1967 | 159,454 | 1966 | 155,583 | 1965 | 154,737 | 1964 | 153,379 | 1963 | 151,256 | 1962 | 149,003 | 1961 | 146,235 | 1960 | 141,726 |
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