Year | Value | 2022 | 166,598 | 2021 | 163,291 | 2020 | 162,265 | 2019 | 163,620 | 2018 | 166,453 | 2017 | 169,463 | 2016 | 172,599 | 2015 | 176,653 | 2014 | 180,760 | 2013 | 184,278 | 2012 | 188,437 | 2011 | 192,437 | 2010 | 193,257 | 2009 | 192,090 | 2008 | 191,440 | 2007 | 191,969 | 2006 | 195,320 | 2005 | 200,871 | 2004 | 206,124 | 2003 | 209,941 | 2002 | 210,148 | 2001 | 205,762 | 2000 | 199,868 | 1999 | 194,478 | 1998 | 189,510 | 1997 | 185,994 | 1996 | 184,153 | 1995 | 182,787 | 1994 | 182,058 | 1993 | 182,290 | 1992 | 182,463 | 1991 | 181,873 | 1990 | 181,686 | 1989 | 182,616 | 1988 | 184,356 | 1987 | 188,240 | 1986 | 194,495 | 1985 | 200,360 | 1984 | 204,384 | 1983 | 205,473 | 1982 | 201,937 | 1981 | 193,382 | 1980 | 182,359 | 1979 | 171,673 | 1978 | 162,554 | 1977 | 155,648 | 1976 | 151,208 | 1975 | 148,566 | 1974 | 146,343 | 1973 | 143,841 | 1972 | 141,427 | 1971 | 140,021 | 1970 | 139,248 | 1969 | 138,763 | 1968 | 139,397 | 1967 | 140,645 | 1966 | 141,918 | 1965 | 143,802 | 1964 | 146,463 | 1963 | 149,465 | 1962 | 151,626 | 1961 | 154,280 | 1960 | 158,091 |
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