| Year | Value | | 2022 | 1,164,841 | | 2021 | 1,137,051 | | 2020 | 1,190,438 | | 2019 | 1,236,476 | | 2018 | 1,276,273 | | 2017 | 1,314,596 | | 2016 | 1,351,043 | | 2015 | 1,393,303 | | 2014 | 1,444,989 | | 2013 | 1,500,881 | | 2012 | 1,549,400 | | 2011 | 1,576,717 | | 2010 | 1,585,502 | | 2009 | 1,589,751 | | 2008 | 1,574,667 | | 2007 | 1,554,824 | | 2006 | 1,546,324 | | 2005 | 1,536,072 | | 2004 | 1,511,301 | | 2003 | 1,480,582 | | 2002 | 1,445,376 | | 2001 | 1,400,836 | | 2000 | 1,351,453 | | 1999 | 1,318,792 | | 1998 | 1,277,101 | | 1997 | 1,240,021 | | 1996 | 1,212,062 | | 1995 | 1,196,106 | | 1994 | 1,196,365 | | 1993 | 1,212,325 | | 1992 | 1,237,691 | | 1991 | 1,270,325 | | 1990 | 1,314,148 | | 1989 | 1,369,068 | | 1988 | 1,431,409 | | 1987 | 1,498,064 | | 1986 | 1,562,186 | | 1985 | 1,616,152 | | 1984 | 1,653,536 | | 1983 | 1,672,167 | | 1982 | 1,676,738 | | 1981 | 1,671,339 | | 1980 | 1,653,748 | | 1979 | 1,621,915 | | 1978 | 1,589,100 | | 1977 | 1,551,132 | | 1976 | 1,494,118 | | 1975 | 1,397,085 | | 1974 | 1,279,278 | | 1973 | 1,166,584 | | 1972 | 1,056,718 | | 1971 | 972,998 | | 1970 | 952,167 | | 1969 | 977,134 | | 1968 | 1,004,395 | | 1967 | 1,035,036 | | 1966 | 1,066,857 | | 1965 | 1,092,817 | | 1964 | 1,106,339 | | 1963 | 1,112,370 | | 1962 | 1,124,620 | | 1961 | 1,141,930 | | 1960 | 1,166,026 |
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