| Year | Value | | 2022 | 4,400,474 | | 2021 | 4,299,551 | | 2020 | 4,199,517 | | 2019 | 4,101,080 | | 2018 | 4,004,288 | | 2017 | 3,908,948 | | 2016 | 3,814,990 | | 2015 | 3,722,767 | | 2014 | 3,632,229 | | 2013 | 3,543,083 | | 2012 | 3,455,284 | | 2011 | 3,368,325 | | 2010 | 3,281,899 | | 2009 | 3,197,084 | | 2008 | 3,110,745 | | 2007 | 3,024,956 | | 2006 | 2,939,845 | | 2005 | 2,859,955 | | 2004 | 2,788,032 | | 2003 | 2,717,015 | | 2002 | 2,648,182 | | 2001 | 2,580,948 | | 2000 | 2,512,911 | | 1999 | 2,443,433 | | 1998 | 2,374,127 | | 1997 | 2,306,599 | | 1996 | 2,233,519 | | 1995 | 2,150,532 | | 1994 | 2,057,133 | | 1993 | 2,050,622 | | 1992 | 2,065,244 | | 1991 | 2,007,390 | | 1990 | 1,950,251 | | 1989 | 1,893,968 | | 1988 | 1,838,621 | | 1987 | 1,784,138 | | 1986 | 1,731,156 | | 1985 | 1,679,560 | | 1984 | 1,627,306 | | 1983 | 1,574,468 | | 1982 | 1,522,806 | | 1981 | 1,474,081 | | 1980 | 1,430,336 | | 1979 | 1,392,132 | | 1978 | 1,358,468 | | 1977 | 1,327,353 | | 1976 | 1,297,131 | | 1975 | 1,267,403 | | 1974 | 1,237,948 | | 1973 | 1,208,387 | | 1972 | 1,178,364 | | 1971 | 1,146,629 | | 1970 | 1,111,666 | | 1969 | 1,073,130 | | 1968 | 1,032,116 | | 1967 | 991,088 | | 1966 | 953,505 | | 1965 | 922,283 | | 1964 | 898,263 | | 1963 | 880,183 | | 1962 | 865,169 | | 1961 | 851,024 | | 1960 | 837,141 |
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