| Year | Value | | 2022 | 9,160,288 | | 2021 | 8,800,295 | | 2020 | 8,447,250 | | 2019 | 8,100,644 | | 2018 | 7,762,359 | | 2017 | 7,434,012 | | 2016 | 7,115,902 | | 2015 | 6,809,146 | | 2014 | 6,512,613 | | 2013 | 6,225,773 | | 2012 | 5,950,059 | | 2011 | 5,685,070 | | 2010 | 5,427,875 | | 2009 | 5,175,542 | | 2008 | 4,931,812 | | 2007 | 4,698,029 | | 2006 | 4,476,767 | | 2005 | 4,268,709 | | 2004 | 4,075,803 | | 2003 | 3,896,360 | | 2002 | 3,727,817 | | 2001 | 3,567,391 | | 2000 | 3,442,313 | | 1999 | 3,392,256 | | 1998 | 3,347,457 | | 1997 | 3,304,011 | | 1996 | 3,261,522 | | 1995 | 3,222,161 | | 1994 | 3,183,932 | | 1993 | 3,146,422 | | 1992 | 3,109,750 | | 1991 | 3,072,515 | | 1990 | 3,028,980 | | 1989 | 2,955,757 | | 1988 | 2,881,696 | | 1987 | 2,806,571 | | 1986 | 2,729,236 | | 1985 | 2,651,511 | | 1984 | 2,576,089 | | 1983 | 2,501,015 | | 1982 | 2,424,450 | | 1981 | 2,350,382 | | 1980 | 2,277,592 | | 1979 | 2,155,743 | | 1978 | 2,039,657 | | 1977 | 1,928,730 | | 1976 | 1,823,094 | | 1975 | 1,722,683 | | 1974 | 1,627,890 | | 1973 | 1,538,424 | | 1972 | 1,454,150 | | 1971 | 1,374,579 | | 1970 | 1,299,530 | | 1969 | 1,221,500 | | 1968 | 1,119,747 | | 1967 | 1,024,517 | | 1966 | 936,449 | | 1965 | 854,953 | | 1964 | 779,939 | | 1963 | 710,708 | | 1962 | 657,540 | | 1961 | 610,118 | | 1960 | 566,021 |
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