Year | Value | 2021 | 238,390 | 2020 | 238,390 | 2019 | 238,390 | 2018 | 238,390 | 2017 | 238,390 | 2016 | 237,390 | 2015 | 237,390 | 2014 | 237,380 | 2013 | 237,370 | 2012 | 238,360 | 2011 | 236,360 | 2010 | 234,360 | 2009 | 235,860 | 2008 | 230,870 | 2007 | 229,840 | 2006 | 230,480 | 2005 | 227,620 | 2004 | 228,970 | 2003 | 229,090 | 2002 | 226,160 | 2001 | 225,550 | 2000 | 225,260 | 1999 | 223,540 | 1998 | 221,740 | 1997 | 220,070 | 1996 | 218,340 | 1995 | 216,530 | 1994 | 214,730 | 1993 | 212,020 | 1992 | 210,650 | 1991 | 208,260 | 1990 | 208,110 | 1989 | 207,600 | 1988 | 206,170 | 1987 | 205,210 | 1986 | 204,240 | 1985 | 203,290 | 1984 | 202,220 | 1983 | 201,360 | 1982 | 200,390 | 1981 | 199,530 | 1980 | 198,460 | 1979 | 197,800 | 1978 | 201,550 | 1977 | 202,740 | 1976 | 202,650 | 1975 | 202,370 | 1974 | 202,020 | 1973 | 201,440 | 1972 | 200,930 | 1971 | 200,530 | 1970 | 198,740 | 1969 | 198,040 | 1968 | 197,350 | 1967 | 196,610 | 1966 | 196,070 | 1965 | 195,130 | 1964 | 194,590 | 1963 | 194,040 | 1962 | 193,600 | 1961 | 193,070 |
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