| Year | Value | | 2022 | 5,738,710 | | 2021 | 5,672,850 | | 2020 | 5,605,395 | | 2019 | 5,535,128 | | 2018 | 5,463,738 | | 2017 | 5,391,671 | | 2016 | 5,319,125 | | 2015 | 5,246,167 | | 2014 | 5,172,525 | | 2013 | 5,098,458 | | 2012 | 5,023,564 | | 2011 | 4,947,739 | | 2010 | 4,890,743 | | 2009 | 4,833,100 | | 2008 | 4,756,176 | | 2007 | 4,679,659 | | 2006 | 4,603,020 | | 2005 | 4,526,364 | | 2004 | 4,451,252 | | 2003 | 4,376,534 | | 2002 | 4,301,197 | | 2001 | 4,226,169 | | 2000 | 4,150,198 | | 1999 | 4,074,254 | | 1998 | 3,999,769 | | 1997 | 3,926,240 | | 1996 | 3,853,209 | | 1995 | 3,780,740 | | 1994 | 3,709,066 | | 1993 | 3,637,876 | | 1992 | 3,566,758 | | 1991 | 3,495,927 | | 1990 | 3,424,381 | | 1989 | 3,352,450 | | 1988 | 3,281,632 | | 1987 | 3,212,126 | | 1986 | 3,144,400 | | 1985 | 3,078,510 | | 1984 | 3,014,369 | | 1983 | 2,951,886 | | 1982 | 2,890,590 | | 1981 | 2,830,664 | | 1980 | 2,772,769 | | 1979 | 2,716,678 | | 1978 | 2,662,099 | | 1977 | 2,609,097 | | 1976 | 2,557,820 | | 1975 | 2,508,504 | | 1974 | 2,461,237 | | 1973 | 2,416,052 | | 1972 | 2,372,153 | | 1971 | 2,328,791 | | 1970 | 2,286,026 | | 1969 | 2,244,037 | | 1968 | 2,202,909 | | 1967 | 2,162,528 | | 1966 | 2,122,973 | | 1965 | 2,084,076 | | 1964 | 2,045,546 | | 1963 | 2,008,807 | | 1962 | 1,972,834 | | 1961 | 1,936,249 | | 1960 | 1,900,094 |
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