| Year | Value | | 2022 | 5,197,130 | | 2021 | 5,036,924 | | 2020 | 4,894,458 | | 2019 | 4,759,785 | | 2018 | 4,636,172 | | 2017 | 4,503,586 | | 2016 | 4,357,478 | | 2015 | 4,215,936 | | 2014 | 4,083,214 | | 2013 | 3,963,529 | | 2012 | 3,855,548 | | 2011 | 3,752,933 | | 2010 | 3,654,979 | | 2009 | 3,563,153 | | 2008 | 3,476,801 | | 2007 | 3,394,022 | | 2006 | 3,312,417 | | 2005 | 3,231,044 | | 2004 | 3,150,744 | | 2003 | 3,070,099 | | 2002 | 2,987,933 | | 2001 | 2,907,308 | | 2000 | 2,832,850 | | 1999 | 2,760,305 | | 1998 | 2,689,645 | | 1997 | 2,624,256 | | 1996 | 2,563,298 | | 1995 | 2,506,344 | | 1994 | 2,454,999 | | 1993 | 2,406,104 | | 1992 | 2,355,437 | | 1991 | 2,305,545 | | 1990 | 2,257,572 | | 1989 | 2,209,588 | | 1988 | 2,163,331 | | 1987 | 2,115,560 | | 1986 | 2,064,172 | | 1985 | 2,014,941 | | 1984 | 1,966,526 | | 1983 | 1,918,916 | | 1982 | 1,870,879 | | 1981 | 1,823,778 | | 1980 | 1,779,943 | | 1979 | 1,734,376 | | 1978 | 1,685,164 | | 1977 | 1,636,237 | | 1976 | 1,588,069 | | 1975 | 1,541,610 | | 1974 | 1,494,190 | | 1973 | 1,442,178 | | 1972 | 1,390,077 | | 1971 | 1,355,572 | | 1970 | 1,325,946 | | 1969 | 1,285,434 | | 1968 | 1,247,340 | | 1967 | 1,212,231 | | 1966 | 1,178,201 | | 1965 | 1,143,725 | | 1964 | 1,109,354 | | 1963 | 1,076,164 | | 1962 | 1,044,860 | | 1961 | 1,016,919 | | 1960 | 993,492 |
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