Year | Value | 2022 | 9,240,361 | 2021 | 9,197,811 | 2020 | 9,220,802 | 2019 | 9,255,318 | 2018 | 9,277,482 | 2017 | 9,279,394 | 2016 | 9,262,895 | 2015 | 9,200,750 | 2014 | 9,133,916 | 2013 | 9,116,161 | 2012 | 9,153,008 | 2011 | 9,243,446 | 2010 | 9,421,328 | 2009 | 9,581,880 | 2008 | 9,715,803 | 2007 | 9,785,858 | 2006 | 9,802,202 | 2005 | 9,791,308 | 2004 | 9,772,612 | 2003 | 9,768,424 | 2002 | 9,811,392 | 2001 | 9,917,555 | 2000 | 10,053,396 | 1999 | 10,183,820 | 1998 | 10,299,267 | 1997 | 10,392,749 | 1996 | 10,452,401 | 1995 | 10,506,751 | 1994 | 10,604,534 | 1993 | 10,748,609 | 1992 | 10,932,813 | 1991 | 11,171,475 | 1990 | 11,415,468 | 1989 | 11,658,774 | 1988 | 11,895,253 | 1987 | 12,109,519 | 1986 | 12,295,245 | 1985 | 12,475,018 | 1984 | 12,660,668 | 1983 | 12,816,824 | 1982 | 12,888,298 | 1981 | 12,856,731 | 1980 | 12,733,153 | 1979 | 12,540,340 | 1978 | 12,318,237 | 1977 | 12,114,542 | 1976 | 11,925,299 | 1975 | 11,721,172 | 1974 | 11,507,475 | 1973 | 11,312,202 | 1972 | 11,156,236 | 1971 | 11,036,208 | 1970 | 10,983,422 | 1969 | 10,983,952 | 1968 | 11,013,446 | 1967 | 11,041,463 | 1966 | 11,004,303 | 1965 | 10,770,911 | 1964 | 10,446,836 | 1963 | 10,181,350 | 1962 | 9,888,294 | 1961 | 9,669,074 | 1960 | 9,750,290 |
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