| Year | Value | | 2022 | 1,447,791 | | 2021 | 1,427,390 | | 2020 | 1,406,519 | | 2019 | 1,389,302 | | 2018 | 1,368,546 | | 2017 | 1,351,675 | | 2016 | 1,342,833 | | 2015 | 1,336,864 | | 2014 | 1,337,747 | | 2013 | 1,345,823 | | 2012 | 1,358,123 | | 2011 | 1,372,920 | | 2010 | 1,389,452 | | 2009 | 1,406,701 | | 2008 | 1,423,697 | | 2007 | 1,434,718 | | 2006 | 1,438,620 | | 2005 | 1,439,446 | | 2004 | 1,436,868 | | 2003 | 1,430,649 | | 2002 | 1,421,464 | | 2001 | 1,409,475 | | 2000 | 1,394,790 | | 1999 | 1,378,078 | | 1998 | 1,359,823 | | 1997 | 1,341,027 | | 1996 | 1,322,703 | | 1995 | 1,304,786 | | 1994 | 1,286,615 | | 1993 | 1,267,970 | | 1992 | 1,248,814 | | 1991 | 1,228,950 | | 1990 | 1,206,499 | | 1989 | 1,180,793 | | 1988 | 1,153,322 | | 1987 | 1,124,784 | | 1986 | 1,095,536 | | 1985 | 1,066,293 | | 1984 | 1,037,776 | | 1983 | 1,009,759 | | 1982 | 982,837 | | 1981 | 957,776 | | 1980 | 933,706 | | 1979 | 909,243 | | 1978 | 884,515 | | 1977 | 859,728 | | 1976 | 834,554 | | 1975 | 809,363 | | 1974 | 784,633 | | 1973 | 760,545 | | 1972 | 736,717 | | 1971 | 713,292 | | 1970 | 692,886 | | 1969 | 673,862 | | 1968 | 653,453 | | 1967 | 632,514 | | 1966 | 610,470 | | 1965 | 587,116 | | 1964 | 562,666 | | 1963 | 538,093 | | 1962 | 514,986 | | 1961 | 494,708 | | 1960 | 477,807 |
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