Year | Value | 2022 | 2,173,796 | 2021 | 2,166,824 | 2020 | 2,158,517 | 2019 | 2,150,526 | 2018 | 2,142,131 | 2017 | 2,139,041 | 2016 | 2,141,130 | 2015 | 2,148,568 | 2014 | 2,161,349 | 2013 | 2,174,006 | 2012 | 2,178,552 | 2011 | 2,168,825 | 2010 | 2,098,453 | 2009 | 1,972,477 | 2008 | 1,841,819 | 2007 | 1,701,049 | 2006 | 1,549,406 | 2005 | 1,449,805 | 2004 | 1,417,945 | 2003 | 1,401,050 | 2002 | 1,397,572 | 2001 | 1,420,481 | 2000 | 1,453,101 | 1999 | 1,474,449 | 1998 | 1,491,564 | 1997 | 1,516,356 | 1996 | 1,545,528 | 1995 | 1,574,331 | 1994 | 1,592,664 | 1993 | 1,600,790 | 1992 | 1,601,633 | 1991 | 1,595,012 | 1990 | 1,581,743 | 1989 | 1,576,841 | 1988 | 1,575,950 | 1987 | 1,577,196 | 1986 | 1,584,823 | 1985 | 1,596,082 | 1984 | 1,547,109 | 1983 | 1,425,838 | 1982 | 1,281,345 | 1981 | 1,115,193 | 1980 | 956,527 | 1979 | 927,955 | 1978 | 1,024,300 | 1977 | 1,145,562 | 1976 | 1,275,739 | 1975 | 1,390,474 | 1974 | 1,443,599 | 1973 | 1,447,121 | 1972 | 1,444,947 | 1971 | 1,446,793 | 1970 | 1,449,230 | 1969 | 1,444,227 | 1968 | 1,438,018 | 1967 | 1,435,311 | 1966 | 1,435,084 | 1965 | 1,427,264 | 1964 | 1,413,103 | 1963 | 1,395,501 | 1962 | 1,375,099 | 1961 | 1,355,392 | 1960 | 1,335,181 |
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