Year | Value | 2022 | 41,857 | 2021 | 40,174 | 2020 | 38,594 | 2019 | 37,110 | 2018 | 35,717 | 2017 | 34,393 | 2016 | 33,122 | 2015 | 31,879 | 2014 | 30,662 | 2013 | 29,463 | 2012 | 28,289 | 2011 | 27,184 | 2010 | 26,170 | 2009 | 25,254 | 2008 | 24,443 | 2007 | 23,726 | 2006 | 23,089 | 2005 | 22,521 | 2004 | 21,946 | 2003 | 21,316 | 2002 | 20,730 | 2001 | 20,195 | 2000 | 19,641 | 1999 | 19,138 | 1998 | 18,725 | 1997 | 18,306 | 1996 | 17,877 | 1995 | 17,507 | 1994 | 17,213 | 1993 | 17,002 | 1992 | 16,855 | 1991 | 16,728 | 1990 | 16,598 | 1989 | 16,462 | 1988 | 16,303 | 1987 | 16,125 | 1986 | 15,957 | 1985 | 15,809 | 1984 | 15,670 | 1983 | 15,536 | 1982 | 15,405 | 1981 | 15,278 | 1980 | 15,157 | 1979 | 15,043 | 1978 | 14,933 | 1977 | 14,830 | 1976 | 14,735 | 1975 | 14,643 | 1974 | 14,553 | 1973 | 14,468 | 1972 | 14,383 | 1971 | 14,298 | 1970 | 14,205 | 1969 | 14,105 | 1968 | 14,017 | 1967 | 13,945 | 1966 | 13,874 | 1965 | 13,802 | 1964 | 13,731 | 1963 | 13,663 | 1962 | 13,595 | 1961 | 13,529 | 1960 | 13,466 |
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