Year | Value | 2022 | 167,552 | 2021 | 169,144 | 2020 | 170,950 | 2019 | 183,343 | 2018 | 206,655 | 2017 | 231,832 | 2016 | 256,343 | 2015 | 278,721 | 2014 | 280,779 | 2013 | 254,701 | 2012 | 233,077 | 2011 | 227,636 | 2010 | 225,351 | 2009 | 222,292 | 2008 | 217,657 | 2007 | 212,546 | 2006 | 206,992 | 2005 | 201,736 | 2004 | 197,376 | 2003 | 193,787 | 2002 | 191,092 | 2001 | 188,829 | 2000 | 186,515 | 1999 | 183,761 | 1998 | 180,293 | 1997 | 176,470 | 1996 | 172,537 | 1995 | 168,667 | 1994 | 165,160 | 1993 | 162,048 | 1992 | 158,861 | 1991 | 155,383 | 1990 | 152,673 | 1989 | 150,584 | 1988 | 147,709 | 1987 | 144,276 | 1986 | 140,476 | 1985 | 137,033 | 1984 | 134,250 | 1983 | 131,755 | 1982 | 130,277 | 1981 | 128,324 | 1980 | 125,095 | 1979 | 120,143 | 1978 | 125,462 | 1977 | 128,836 | 1976 | 108,891 | 1975 | 89,979 | 1974 | 82,826 | 1973 | 77,355 | 1972 | 73,020 | 1971 | 69,854 | 1970 | 67,684 | 1969 | 66,369 | 1968 | 65,645 | 1967 | 65,504 | 1966 | 65,650 | 1965 | 65,845 | 1964 | 66,081 | 1963 | 66,155 | 1962 | 66,031 | 1961 | 65,806 | 1960 | 65,590 |
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