| Year | Value | | 2022 | 5,010,182 | | 2021 | 4,924,256 | | 2020 | 4,852,600 | | 2019 | 4,791,106 | | 2018 | 4,740,361 | | 2017 | 4,687,823 | | 2016 | 4,630,939 | | 2015 | 4,582,817 | | 2014 | 4,547,841 | | 2013 | 4,516,264 | | 2012 | 4,500,765 | | 2011 | 4,489,302 | | 2010 | 4,475,483 | | 2009 | 4,476,409 | | 2008 | 4,483,025 | | 2007 | 4,482,333 | | 2006 | 4,474,699 | | 2005 | 4,456,691 | | 2004 | 4,412,119 | | 2003 | 4,340,405 | | 2002 | 4,246,031 | | 2001 | 4,139,597 | | 2000 | 4,033,323 | | 1999 | 3,928,787 | | 1998 | 3,819,631 | | 1997 | 3,706,006 | | 1996 | 3,594,130 | | 1995 | 3,480,904 | | 1994 | 3,361,997 | | 1993 | 3,244,770 | | 1992 | 3,140,548 | | 1991 | 3,049,358 | | 1990 | 2,965,279 | | 1989 | 2,889,308 | | 1988 | 2,823,902 | | 1987 | 2,763,620 | | 1986 | 2,706,572 | | 1985 | 2,650,678 | | 1984 | 2,594,509 | | 1983 | 2,538,262 | | 1982 | 2,480,260 | | 1981 | 2,420,835 | | 1980 | 2,360,570 | | 1979 | 2,299,406 | | 1978 | 2,238,224 | | 1977 | 2,179,650 | | 1976 | 2,126,987 | | 1975 | 2,079,190 | | 1974 | 2,032,491 | | 1973 | 1,985,681 | | 1972 | 1,935,738 | | 1971 | 1,880,354 | | 1970 | 1,818,835 | | 1969 | 1,763,415 | | 1968 | 1,724,925 | | 1967 | 1,695,281 | | 1966 | 1,661,208 | | 1965 | 1,613,718 | | 1964 | 1,542,053 | | 1963 | 1,442,095 | | 1962 | 1,330,121 | | 1961 | 1,227,551 | | 1960 | 1,147,496 |
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