| Year | Value | | 2022 | 4,657,959 | | 2021 | 4,602,179 | | 2020 | 4,551,182 | | 2019 | 4,515,124 | | 2018 | 4,494,892 | | 2017 | 4,489,335 | | 2016 | 4,486,112 | | 2015 | 4,483,342 | | 2014 | 4,486,971 | | 2013 | 4,482,312 | | 2012 | 4,470,206 | | 2011 | 4,448,212 | | 2010 | 4,417,009 | | 2009 | 4,375,857 | | 2008 | 4,312,549 | | 2007 | 4,227,880 | | 2006 | 4,129,528 | | 2005 | 4,027,635 | | 2004 | 3,923,202 | | 2003 | 3,810,757 | | 2002 | 3,691,401 | | 2001 | 3,575,809 | | 2000 | 3,461,950 | | 1999 | 3,341,537 | | 1998 | 3,221,082 | | 1997 | 3,110,950 | | 1996 | 3,012,654 | | 1995 | 2,926,117 | | 1994 | 2,851,862 | | 1993 | 2,789,360 | | 1992 | 2,733,795 | | 1991 | 2,682,011 | | 1990 | 2,628,341 | | 1989 | 2,570,055 | | 1988 | 2,511,374 | | 1987 | 2,450,666 | | 1986 | 2,388,002 | | 1985 | 2,323,051 | | 1984 | 2,254,898 | | 1983 | 2,184,432 | | 1982 | 2,117,159 | | 1981 | 2,056,250 | | 1980 | 1,998,958 | | 1979 | 1,944,712 | | 1978 | 1,893,012 | | 1977 | 1,839,290 | | 1976 | 1,784,220 | | 1975 | 1,727,325 | | 1974 | 1,677,576 | | 1973 | 1,646,377 | | 1972 | 1,625,544 | | 1971 | 1,601,645 | | 1970 | 1,564,179 | | 1969 | 1,501,330 | | 1968 | 1,409,424 | | 1967 | 1,304,138 | | 1966 | 1,206,905 | | 1965 | 1,129,591 | | 1964 | 1,075,238 | | 1963 | 1,044,385 | | 1962 | 1,033,193 | | 1961 | 1,034,435 | | 1960 | 1,040,885 |
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