| Year | Value | | 2022 | 5,594,560 | | 2021 | 5,535,650 | | 2020 | 5,472,181 | | 2019 | 5,409,472 | | 2018 | 5,348,537 | | 2017 | 5,286,818 | | 2016 | 5,224,450 | | 2015 | 5,160,958 | | 2014 | 5,096,363 | | 2013 | 5,030,991 | | 2012 | 4,965,013 | | 2011 | 4,898,563 | | 2010 | 4,831,796 | | 2009 | 4,765,395 | | 2008 | 4,700,619 | | 2007 | 4,638,424 | | 2006 | 4,577,992 | | 2005 | 4,517,262 | | 2004 | 4,455,672 | | 2003 | 4,393,360 | | 2002 | 4,330,181 | | 2001 | 4,271,617 | | 2000 | 4,217,351 | | 1999 | 4,162,488 | | 1998 | 4,107,802 | | 1997 | 4,051,890 | | 1996 | 3,993,294 | | 1995 | 3,932,399 | | 1994 | 3,870,105 | | 1993 | 3,801,439 | | 1992 | 3,726,718 | | 1991 | 3,651,809 | | 1990 | 3,576,621 | | 1989 | 3,501,660 | | 1988 | 3,428,342 | | 1987 | 3,357,278 | | 1986 | 3,287,851 | | 1985 | 3,219,410 | | 1984 | 3,151,396 | | 1983 | 3,083,771 | | 1982 | 3,017,427 | | 1981 | 2,952,280 | | 1980 | 2,887,215 | | 1979 | 2,821,809 | | 1978 | 2,756,024 | | 1977 | 2,690,159 | | 1976 | 2,624,554 | | 1975 | 2,559,369 | | 1974 | 2,494,654 | | 1973 | 2,430,153 | | 1972 | 2,366,137 | | 1971 | 2,302,792 | | 1970 | 2,239,914 | | 1969 | 2,177,646 | | 1968 | 2,115,894 | | 1967 | 2,054,205 | | 1966 | 1,992,582 | | 1965 | 1,931,763 | | 1964 | 1,871,918 | | 1963 | 1,812,924 | | 1962 | 1,754,868 | | 1961 | 1,697,727 | | 1960 | 1,641,764 |
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