| Year | Value | | 2022 | 5,041,237 | | 2021 | 4,906,014 | | 2020 | 4,760,982 | | 2019 | 4,607,000 | | 2018 | 4,444,340 | | 2017 | 4,277,936 | | 2016 | 4,117,274 | | 2015 | 3,962,493 | | 2014 | 3,812,974 | | 2013 | 3,674,322 | | 2012 | 3,548,044 | | 2011 | 3,432,913 | | 2010 | 3,331,349 | | 2009 | 3,243,094 | | 2008 | 3,163,642 | | 2007 | 3,089,494 | | 2006 | 3,017,680 | | 2005 | 2,946,282 | | 2004 | 2,874,633 | | 2003 | 2,803,606 | | 2002 | 2,734,069 | | 2001 | 2,666,621 | | 2000 | 2,602,128 | | 1999 | 2,539,975 | | 1998 | 2,479,370 | | 1997 | 2,419,159 | | 1996 | 2,359,980 | | 1995 | 2,302,550 | | 1994 | 2,232,779 | | 1993 | 2,160,682 | | 1992 | 2,107,430 | | 1991 | 2,066,033 | | 1990 | 2,029,222 | | 1989 | 2,008,194 | | 1988 | 1,991,872 | | 1987 | 1,958,461 | | 1986 | 1,915,752 | | 1985 | 1,869,696 | | 1984 | 1,823,001 | | 1983 | 1,784,347 | | 1982 | 1,747,793 | | 1981 | 1,705,547 | | 1980 | 1,661,612 | | 1979 | 1,616,891 | | 1978 | 1,573,067 | | 1977 | 1,529,768 | | 1976 | 1,489,327 | | 1975 | 1,452,841 | | 1974 | 1,419,055 | | 1973 | 1,387,693 | | 1972 | 1,358,396 | | 1971 | 1,330,892 | | 1970 | 1,304,403 | | 1969 | 1,278,630 | | 1968 | 1,253,943 | | 1967 | 1,230,058 | | 1966 | 1,206,659 | | 1965 | 1,183,105 | | 1964 | 1,159,689 | | 1963 | 1,136,889 | | 1962 | 1,114,322 | | 1961 | 1,091,418 | | 1960 | 1,068,132 |
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