Year | Value | 2022 | 2,593,191 | 2021 | 2,525,557 | 2020 | 2,466,367 | 2019 | 2,416,890 | 2018 | 2,386,539 | 2017 | 2,384,359 | 2016 | 2,429,995 | 2015 | 2,512,948 | 2014 | 2,629,991 | 2013 | 2,786,790 | 2012 | 2,952,849 | 2011 | 3,101,020 | 2010 | 3,288,661 | 2009 | 3,397,967 | 2008 | 3,481,368 | 2007 | 3,526,799 | 2006 | 3,537,079 | 2005 | 3,520,421 | 2004 | 3,473,498 | 2003 | 3,394,463 | 2002 | 3,298,749 | 2001 | 3,197,243 | 2000 | 3,098,324 | 1999 | 3,013,286 | 1998 | 2,947,912 | 1997 | 2,900,388 | 1996 | 2,860,832 | 1995 | 2,828,913 | 1994 | 2,796,450 | 1993 | 2,741,908 | 1992 | 2,655,041 | 1991 | 2,532,624 | 1990 | 2,369,838 | 1989 | 2,259,317 | 1988 | 2,248,407 | 1987 | 2,275,286 | 1986 | 2,392,183 | 1985 | 2,632,510 | 1984 | 2,854,120 | 1983 | 2,987,306 | 1982 | 3,082,381 | 1981 | 3,103,352 | 1980 | 3,031,499 | 1979 | 2,918,603 | 1978 | 2,769,500 | 1977 | 2,616,452 | 1976 | 2,497,786 | 1975 | 2,416,419 | 1974 | 2,369,899 | 1973 | 2,381,487 | 1972 | 2,431,985 | 1971 | 2,474,325 | 1970 | 2,522,045 | 1969 | 2,558,548 | 1968 | 2,579,553 | 1967 | 2,631,857 | 1966 | 2,716,907 | 1965 | 2,794,429 | 1964 | 2,799,922 | 1963 | 2,661,062 | 1962 | 2,419,067 | 1961 | 2,156,482 | 1960 | 1,944,399 |
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