| Year | Value | | 2022 | 3,409,385 | | 2021 | 3,411,816 | | 2020 | 3,406,794 | | 2019 | 3,398,214 | | 2018 | 3,371,301 | | 2017 | 3,345,785 | | 2016 | 3,314,496 | | 2015 | 3,274,413 | | 2014 | 3,231,854 | | 2013 | 3,187,352 | | 2012 | 3,141,766 | | 2011 | 3,098,338 | | 2010 | 3,046,102 | | 2009 | 2,982,009 | | 2008 | 2,925,955 | | 2007 | 2,881,872 | | 2006 | 2,847,049 | | 2005 | 2,794,364 | | 2004 | 2,741,597 | | 2003 | 2,740,161 | | 2002 | 2,739,881 | | 2001 | 2,699,676 | | 2000 | 2,679,658 | | 1999 | 2,670,894 | | 1998 | 2,605,746 | | 1997 | 2,520,831 | | 1996 | 2,466,620 | | 1995 | 2,390,736 | | 1994 | 2,291,002 | | 1993 | 2,173,045 | | 1992 | 2,072,039 | | 1991 | 1,987,907 | | 1990 | 1,902,576 | | 1989 | 1,830,858 | | 1988 | 1,817,443 | | 1987 | 1,774,691 | | 1986 | 1,679,682 | | 1985 | 1,621,794 | | 1984 | 1,578,958 | | 1983 | 1,494,800 | | 1982 | 1,436,844 | | 1981 | 1,428,812 | | 1980 | 1,386,700 | | 1979 | 1,329,441 | | 1978 | 1,277,124 | | 1977 | 1,237,659 | | 1976 | 1,211,039 | | 1975 | 1,186,750 | | 1974 | 1,158,469 | | 1973 | 1,130,656 | | 1972 | 1,102,191 | | 1971 | 1,072,354 | | 1970 | 1,046,985 | | 1969 | 1,027,717 | | 1968 | 1,023,116 | | 1967 | 1,021,992 | | 1966 | 1,014,079 | | 1965 | 1,003,471 | | 1964 | 986,187 | | 1963 | 967,247 | | 1962 | 945,065 | | 1961 | 922,080 | | 1960 | 897,922 |
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