Year | Value | 2022 | 49,748 | 2021 | 49,796 | 2020 | 49,779 | 2019 | 51,468 | 2018 | 51,367 | 2017 | 50,250 | 2016 | 51,685 | 2015 | 53,418 | 2014 | 55,380 | 2013 | 57,647 | 2012 | 60,222 | 2011 | 63,053 | 2010 | 66,011 | 2009 | 68,575 | 2008 | 70,547 | 2007 | 71,970 | 2006 | 72,672 | 2005 | 72,541 | 2004 | 71,798 | 2003 | 70,458 | 2002 | 68,368 | 2001 | 65,863 | 2000 | 63,390 | 1999 | 61,225 | 1998 | 59,568 | 1997 | 58,505 | 1996 | 57,641 | 1995 | 56,605 | 1994 | 55,414 | 1993 | 54,196 | 1992 | 53,115 | 1991 | 52,555 | 1990 | 53,049 | 1989 | 54,748 | 1988 | 57,316 | 1987 | 60,189 | 1986 | 62,716 | 1985 | 64,257 | 1984 | 64,621 | 1983 | 63,820 | 1982 | 62,118 | 1981 | 60,351 | 1980 | 59,166 | 1979 | 58,430 | 1978 | 57,651 | 1977 | 56,736 | 1976 | 55,637 | 1975 | 54,033 | 1974 | 51,961 | 1973 | 49,917 | 1972 | 48,031 | 1971 | 46,050 | 1970 | 43,970 | 1969 | 42,160 | 1968 | 40,709 | 1967 | 39,385 | 1966 | 38,176 | 1965 | 37,092 | 1964 | 36,098 | 1963 | 35,156 | 1962 | 34,238 | 1961 | 33,326 | 1960 | 32,208 |
|