| Year | Value | | 2022 | 1,007,523 | | 2021 | 936,480 | | 2020 | 965,564 | | 2019 | 1,000,934 | | 2018 | 1,043,889 | | 2017 | 1,089,320 | | 2016 | 1,138,808 | | 2015 | 1,191,302 | | 2014 | 1,237,842 | | 2013 | 1,279,114 | | 2012 | 1,318,800 | | 2011 | 1,356,391 | | 2010 | 1,399,264 | | 2009 | 1,456,665 | | 2008 | 1,513,195 | | 2007 | 1,562,737 | | 2006 | 1,592,458 | | 2005 | 1,603,639 | | 2004 | 1,602,544 | | 2003 | 1,586,704 | | 2002 | 1,565,871 | | 2001 | 1,555,610 | | 2000 | 1,539,654 | | 1999 | 1,527,921 | | 1998 | 1,500,915 | | 1997 | 1,469,753 | | 1996 | 1,429,155 | | 1995 | 1,382,915 | | 1994 | 1,336,396 | | 1993 | 1,290,532 | | 1992 | 1,248,823 | | 1991 | 1,216,998 | | 1990 | 1,198,710 | | 1989 | 1,199,241 | | 1988 | 1,227,629 | | 1987 | 1,264,428 | | 1986 | 1,296,889 | | 1985 | 1,338,808 | | 1984 | 1,388,950 | | 1983 | 1,444,961 | | 1982 | 1,508,433 | | 1981 | 1,572,409 | | 1980 | 1,626,534 | | 1979 | 1,664,948 | | 1978 | 1,687,458 | | 1977 | 1,695,649 | | 1976 | 1,692,377 | | 1975 | 1,676,870 | | 1974 | 1,644,817 | | 1973 | 1,607,895 | | 1972 | 1,566,310 | | 1971 | 1,508,058 | | 1970 | 1,414,645 | | 1969 | 1,300,459 | | 1968 | 1,186,095 | | 1967 | 1,072,283 | | 1966 | 984,444 | | 1965 | 960,810 | | 1964 | 982,118 | | 1963 | 1,005,035 | | 1962 | 1,034,439 | | 1961 | 1,068,107 | | 1960 | 1,095,634 |
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