Year | Value | 2022 | 325,125 | 2021 | 325,809 | 2020 | 326,615 | 2019 | 327,427 | 2018 | 328,132 | 2017 | 328,073 | 2016 | 326,750 | 2015 | 324,057 | 2014 | 320,212 | 2013 | 315,344 | 2012 | 309,531 | 2011 | 303,014 | 2010 | 296,286 | 2009 | 289,751 | 2008 | 283,544 | 2007 | 277,993 | 2006 | 273,145 | 2005 | 268,763 | 2004 | 265,971 | 2003 | 264,515 | 2002 | 262,945 | 2001 | 261,271 | 2000 | 259,359 | 1999 | 256,884 | 1998 | 253,801 | 1997 | 249,931 | 1996 | 245,111 | 1995 | 238,535 | 1994 | 230,413 | 1993 | 221,932 | 1992 | 213,380 | 1991 | 204,913 | 1990 | 196,768 | 1989 | 189,249 | 1988 | 182,669 | 1987 | 177,430 | 1986 | 173,127 | 1985 | 169,332 | 1984 | 165,928 | 1983 | 162,416 | 1982 | 158,377 | 1981 | 154,012 | 1980 | 149,651 | 1979 | 146,352 | 1978 | 143,564 | 1977 | 139,948 | 1976 | 136,072 | 1975 | 132,306 | 1974 | 128,121 | 1973 | 123,211 | 1972 | 117,854 | 1971 | 111,961 | 1970 | 105,817 | 1969 | 100,398 | 1968 | 96,036 | 1967 | 92,553 | 1966 | 89,791 | 1965 | 87,319 | 1964 | 84,969 | 1963 | 82,671 | 1962 | 80,395 | 1961 | 78,223 | 1960 | 76,139 |
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