| Year | Value | | 2022 | 5,124,100 | | 2021 | 5,111,400 | | 2020 | 5,090,200 | | 2019 | 4,979,200 | | 2018 | 4,900,600 | | 2017 | 4,813,600 | | 2016 | 4,714,100 | | 2015 | 4,609,400 | | 2014 | 4,516,500 | | 2013 | 4,442,100 | | 2012 | 4,408,100 | | 2011 | 4,384,000 | | 2010 | 4,350,700 | | 2009 | 4,302,600 | | 2008 | 4,259,800 | | 2007 | 4,223,800 | | 2006 | 4,184,600 | | 2005 | 4,133,900 | | 2004 | 4,087,500 | | 2003 | 4,027,200 | | 2002 | 3,948,500 | | 2001 | 3,880,500 | | 2000 | 3,857,700 | | 1999 | 3,835,100 | | 1998 | 3,815,000 | | 1997 | 3,781,300 | | 1996 | 3,732,000 | | 1995 | 3,673,400 | | 1994 | 3,620,000 | | 1993 | 3,572,200 | | 1992 | 3,531,700 | | 1991 | 3,495,100 | | 1990 | 3,329,800 | | 1989 | 3,299,200 | | 1988 | 3,283,400 | | 1987 | 3,274,400 | | 1986 | 3,246,300 | | 1985 | 3,247,100 | | 1984 | 3,227,100 | | 1983 | 3,199,300 | | 1982 | 3,156,100 | | 1981 | 3,124,900 | | 1980 | 3,112,900 | | 1979 | 3,109,000 | | 1978 | 3,121,200 | | 1977 | 3,120,200 | | 1976 | 3,110,500 | | 1975 | 3,083,100 | | 1974 | 3,023,700 | | 1973 | 2,961,300 | | 1972 | 2,903,900 | | 1971 | 2,853,000 | | 1970 | 2,810,700 | | 1969 | 2,772,800 | | 1968 | 2,748,100 | | 1967 | 2,724,100 | | 1966 | 2,675,900 | | 1965 | 2,628,400 | | 1964 | 2,585,400 | | 1963 | 2,531,800 | | 1962 | 2,482,000 | | 1961 | 2,419,700 | | 1960 | 2,371,800 |
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