| Year | Value | | 2022 | 5,102,926 | | 2021 | 5,177,554 | | 2020 | 5,242,307 | | 2019 | 5,254,476 | | 2018 | 5,261,328 | | 2017 | 5,273,998 | | 2016 | 5,286,884 | | 2015 | 5,312,418 | | 2014 | 5,352,340 | | 2013 | 5,393,788 | | 2012 | 5,439,813 | | 2011 | 5,476,950 | | 2010 | 5,492,782 | | 2009 | 5,493,722 | | 2008 | 5,487,237 | | 2007 | 5,479,882 | | 2006 | 5,472,470 | | 2005 | 5,461,841 | | 2004 | 5,450,600 | | 2003 | 5,440,592 | | 2002 | 5,429,975 | | 2001 | 5,411,473 | | 2000 | 5,383,939 | | 1999 | 5,361,389 | | 1998 | 5,338,972 | | 1997 | 5,306,543 | | 1996 | 5,277,141 | | 1995 | 5,250,089 | | 1994 | 5,220,681 | | 1993 | 5,188,949 | | 1992 | 5,152,634 | | 1991 | 5,107,652 | | 1990 | 5,041,099 | | 1989 | 4,982,751 | | 1988 | 4,951,876 | | 1987 | 4,928,916 | | 1986 | 4,907,230 | | 1985 | 4,885,548 | | 1984 | 4,861,096 | | 1983 | 4,831,292 | | 1982 | 4,797,111 | | 1981 | 4,761,268 | | 1980 | 4,712,495 | | 1979 | 4,660,319 | | 1978 | 4,596,859 | | 1977 | 4,532,578 | | 1976 | 4,469,774 | | 1975 | 4,397,370 | | 1974 | 4,353,163 | | 1973 | 4,334,986 | | 1972 | 4,314,319 | | 1971 | 4,285,912 | | 1970 | 4,267,600 | | 1969 | 4,258,929 | | 1968 | 4,245,054 | | 1967 | 4,219,678 | | 1966 | 4,188,377 | | 1965 | 4,160,997 | | 1964 | 4,144,845 | | 1963 | 4,133,142 | | 1962 | 4,121,116 | | 1961 | 4,099,682 | | 1960 | 4,070,317 |
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