| Year | Value | | 2022 | 5,634,261 | | 2021 | 5,582,224 | | 2020 | 5,527,482 | | 2019 | 5,472,410 | | 2018 | 5,416,994 | | 2017 | 5,360,426 | | 2016 | 5,303,141 | | 2015 | 5,244,874 | | 2014 | 5,185,752 | | 2013 | 5,126,060 | | 2012 | 5,065,869 | | 2011 | 5,005,175 | | 2010 | 4,943,959 | | 2009 | 4,882,666 | | 2008 | 4,822,328 | | 2007 | 4,763,782 | | 2006 | 4,706,176 | | 2005 | 4,647,506 | | 2004 | 4,587,454 | | 2003 | 4,526,492 | | 2002 | 4,464,921 | | 2001 | 4,397,423 | | 2000 | 4,323,440 | | 1999 | 4,248,886 | | 1998 | 4,174,323 | | 1997 | 4,098,186 | | 1996 | 4,019,019 | | 1995 | 3,937,354 | | 1994 | 3,853,829 | | 1993 | 3,774,635 | | 1992 | 3,700,622 | | 1991 | 3,626,593 | | 1990 | 3,552,383 | | 1989 | 3,478,372 | | 1988 | 3,405,865 | | 1987 | 3,335,442 | | 1986 | 3,266,474 | | 1985 | 3,198,389 | | 1984 | 3,130,709 | | 1983 | 3,063,442 | | 1982 | 2,997,552 | | 1981 | 2,932,965 | | 1980 | 2,868,585 | | 1979 | 2,804,055 | | 1978 | 2,739,419 | | 1977 | 2,674,916 | | 1976 | 2,610,764 | | 1975 | 2,547,084 | | 1974 | 2,483,928 | | 1973 | 2,421,030 | | 1972 | 2,358,664 | | 1971 | 2,297,049 | | 1970 | 2,235,957 | | 1969 | 2,175,307 | | 1968 | 2,114,983 | | 1967 | 2,054,711 | | 1966 | 1,994,508 | | 1965 | 1,936,949 | | 1964 | 1,880,396 | | 1963 | 1,822,875 | | 1962 | 1,766,296 | | 1961 | 1,710,688 | | 1960 | 1,656,257 |
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