Year | Value | 2022 | 142,349 | 2021 | 135,354 | 2020 | 134,927 | 2019 | 135,344 | 2018 | 137,070 | 2017 | 140,470 | 2016 | 144,634 | 2015 | 148,225 | 2014 | 152,235 | 2013 | 158,575 | 2012 | 166,116 | 2011 | 173,984 | 2010 | 182,732 | 2009 | 190,696 | 2008 | 196,313 | 2007 | 200,691 | 2006 | 205,037 | 2005 | 209,738 | 2004 | 214,780 | 2003 | 219,409 | 2002 | 223,971 | 2001 | 227,780 | 2000 | 230,397 | 1999 | 233,395 | 1998 | 236,452 | 1997 | 238,951 | 1996 | 241,364 | 1995 | 242,777 | 1994 | 242,191 | 1993 | 239,613 | 1992 | 234,776 | 1991 | 228,669 | 1990 | 221,383 | 1989 | 212,548 | 1988 | 203,677 | 1987 | 196,736 | 1986 | 193,072 | 1985 | 192,550 | 1984 | 194,726 | 1983 | 199,119 | 1982 | 203,438 | 1981 | 206,988 | 1980 | 210,312 | 1979 | 211,847 | 1978 | 213,092 | 1977 | 217,015 | 1976 | 221,959 | 1975 | 226,046 | 1974 | 229,852 | 1973 | 232,713 | 1972 | 233,882 | 1971 | 234,060 | 1970 | 233,451 | 1969 | 229,692 | 1968 | 223,033 | 1967 | 215,570 | 1966 | 205,188 | 1965 | 192,516 | 1964 | 182,976 | 1963 | 175,750 | 1962 | 168,470 | 1961 | 164,146 | 1960 | 160,391 |
|