Year | Value | 2022 | 37,151 | 2021 | 35,474 | 2020 | 33,828 | 2019 | 32,658 | 2018 | 31,845 | 2017 | 31,379 | 2016 | 31,167 | 2015 | 31,281 | 2014 | 31,203 | 2013 | 30,384 | 2012 | 29,552 | 2011 | 29,179 | 2010 | 28,725 | 2009 | 27,333 | 2008 | 25,205 | 2007 | 23,054 | 2006 | 20,885 | 2005 | 18,703 | 2004 | 16,555 | 2003 | 14,683 | 2002 | 13,277 | 2001 | 12,142 | 2000 | 11,108 | 1999 | 10,191 | 1998 | 9,395 | 1997 | 8,717 | 1996 | 8,144 | 1995 | 7,654 | 1994 | 7,233 | 1993 | 6,882 | 1992 | 6,605 | 1991 | 6,382 | 1990 | 6,244 | 1989 | 6,179 | 1988 | 6,119 | 1987 | 6,041 | 1986 | 5,933 | 1985 | 5,798 | 1984 | 5,650 | 1983 | 5,510 | 1982 | 5,383 | 1981 | 5,246 | 1980 | 5,061 | 1979 | 4,842 | 1978 | 4,621 | 1977 | 4,413 | 1976 | 4,228 | 1975 | 4,060 | 1974 | 3,904 | 1973 | 3,766 | 1972 | 3,640 | 1971 | 3,519 | 1970 | 3,380 | 1969 | 3,216 | 1968 | 3,046 | 1967 | 2,871 | 1966 | 2,693 | 1965 | 2,530 | 1964 | 2,416 | 1963 | 2,344 | 1962 | 2,284 | 1961 | 2,232 | 1960 | 2,182 |
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