Year | Value | 2022 | 161,094 | 2021 | 157,173 | 2020 | 154,970 | 2019 | 154,705 | 2018 | 158,286 | 2017 | 164,706 | 2016 | 170,473 | 2015 | 175,345 | 2014 | 179,850 | 2013 | 183,343 | 2012 | 185,091 | 2011 | 186,032 | 2010 | 186,836 | 2009 | 187,163 | 2008 | 186,329 | 2007 | 185,848 | 2006 | 187,018 | 2005 | 188,706 | 2004 | 190,779 | 2003 | 193,448 | 2002 | 196,155 | 2001 | 197,561 | 2000 | 198,774 | 1999 | 201,238 | 1998 | 204,940 | 1997 | 208,869 | 1996 | 212,357 | 1995 | 212,994 | 1994 | 206,305 | 1993 | 194,016 | 1992 | 177,531 | 1991 | 164,053 | 1990 | 153,759 | 1989 | 146,784 | 1988 | 145,938 | 1987 | 147,396 | 1986 | 144,823 | 1985 | 141,240 | 1984 | 139,994 | 1983 | 135,866 | 1982 | 133,282 | 1981 | 133,255 | 1980 | 134,865 | 1979 | 137,674 | 1978 | 141,458 | 1977 | 144,370 | 1976 | 145,843 | 1975 | 146,674 | 1974 | 146,589 | 1973 | 146,754 | 1972 | 147,414 | 1971 | 148,191 | 1970 | 149,475 | 1969 | 147,298 | 1968 | 142,958 | 1967 | 140,490 | 1966 | 137,597 | 1965 | 134,076 | 1964 | 135,490 | 1963 | 139,257 | 1962 | 141,590 | 1961 | 144,979 | 1960 | 148,110 |
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