| Year | Value | | 2022 | 10,946,834 | | 2021 | 10,551,772 | | 2020 | 10,142,913 | | 2019 | 9,727,157 | | 2018 | 9,353,296 | | 2017 | 8,999,963 | | 2016 | 8,665,979 | | 2015 | 8,371,880 | | 2014 | 8,043,935 | | 2013 | 7,687,539 | | 2012 | 7,360,701 | | 2011 | 7,004,588 | | 2010 | 6,691,382 | | 2009 | 6,443,215 | | 2008 | 6,162,823 | | 2007 | 5,987,030 | | 2006 | 5,828,215 | | 2005 | 5,542,073 | | 2004 | 5,299,549 | | 2003 | 5,061,866 | | 2002 | 4,674,867 | | 2001 | 4,364,773 | | 2000 | 4,314,700 | | 1999 | 4,235,130 | | 1998 | 4,049,071 | | 1997 | 3,878,852 | | 1996 | 3,714,526 | | 1995 | 3,550,426 | | 1994 | 3,328,199 | | 1993 | 3,002,966 | | 1992 | 2,574,865 | | 1991 | 2,285,067 | | 1990 | 2,264,837 | | 1989 | 2,250,758 | | 1988 | 2,180,319 | | 1987 | 2,096,965 | | 1986 | 2,052,805 | | 1985 | 1,997,007 | | 1984 | 1,881,253 | | 1983 | 1,766,084 | | 1982 | 1,729,839 | | 1981 | 1,847,523 | | 1980 | 1,997,237 | | 1979 | 2,005,355 | | 1978 | 1,937,336 | | 1977 | 1,841,815 | | 1976 | 1,748,732 | | 1975 | 1,658,389 | | 1974 | 1,569,079 | | 1973 | 1,482,681 | | 1972 | 1,400,686 | | 1971 | 1,324,216 | | 1970 | 1,251,968 | | 1969 | 1,183,254 | | 1968 | 1,118,853 | | 1967 | 1,058,060 | | 1966 | 1,001,109 | | 1965 | 947,332 | | 1964 | 896,820 | | 1963 | 849,446 | | 1962 | 805,062 | | 1961 | 763,336 | | 1960 | 724,373 |
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