| Year | Value | | 2022 | 1,889,187 | | 2021 | 1,856,736 | | 2020 | 1,838,450 | | 2019 | 1,822,277 | | 2018 | 1,803,722 | | 2017 | 1,775,423 | | 2016 | 1,742,135 | | 2015 | 1,712,452 | | 2014 | 1,680,428 | | 2013 | 1,649,181 | | 2012 | 1,625,307 | | 2011 | 1,592,503 | | 2010 | 1,544,673 | | 2009 | 1,488,877 | | 2008 | 1,432,970 | | 2007 | 1,380,033 | | 2006 | 1,330,637 | | 2005 | 1,286,486 | | 2004 | 1,255,334 | | 2003 | 1,241,024 | | 2002 | 1,221,835 | | 2001 | 1,197,567 | | 2000 | 1,190,070 | | 1999 | 1,183,691 | | 1998 | 1,161,509 | | 1997 | 1,128,229 | | 1996 | 1,090,390 | | 1995 | 1,061,495 | | 1994 | 1,018,331 | | 1993 | 959,656 | | 1992 | 933,220 | | 1991 | 948,521 | | 1990 | 970,014 | | 1989 | 1,004,315 | | 1988 | 1,063,142 | | 1987 | 1,109,444 | | 1986 | 1,130,686 | | 1985 | 1,141,166 | | 1984 | 1,147,057 | | 1983 | 1,141,632 | | 1982 | 1,126,991 | | 1981 | 1,111,338 | | 1980 | 1,092,293 | | 1979 | 1,073,249 | | 1978 | 1,058,129 | | 1977 | 1,044,291 | | 1976 | 1,029,791 | | 1975 | 1,009,430 | | 1974 | 975,765 | | 1973 | 930,537 | | 1972 | 881,942 | | 1971 | 832,719 | | 1970 | 791,788 | | 1969 | 775,305 | | 1968 | 775,208 | | 1967 | 776,673 | | 1966 | 782,906 | | 1965 | 790,966 | | 1964 | 795,115 | | 1963 | 797,764 | | 1962 | 798,276 | | 1961 | 793,648 | | 1960 | 783,999 |
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