Year | Value | 2022 | 126,895 | 2021 | 126,461 | 2020 | 130,536 | 2019 | 130,343 | 2018 | 131,407 | 2017 | 133,817 | 2016 | 137,927 | 2015 | 142,467 | 2014 | 146,711 | 2013 | 149,298 | 2012 | 151,382 | 2011 | 153,203 | 2010 | 154,872 | 2009 | 156,957 | 2008 | 159,159 | 2007 | 160,512 | 2006 | 161,571 | 2005 | 162,663 | 2004 | 163,286 | 2003 | 163,251 | 2002 | 162,863 | 2001 | 160,977 | 2000 | 164,740 | 1999 | 164,986 | 1998 | 164,479 | 1997 | 162,055 | 1996 | 161,191 | 1995 | 156,946 | 1994 | 145,740 | 1993 | 135,309 | 1992 | 129,768 | 1991 | 129,953 | 1990 | 134,555 | 1989 | 141,474 | 1988 | 147,284 | 1987 | 151,387 | 1986 | 154,876 | 1985 | 158,109 | 1984 | 160,973 | 1983 | 163,828 | 1982 | 166,452 | 1981 | 168,640 | 1980 | 171,051 | 1979 | 172,912 | 1978 | 172,753 | 1977 | 171,046 | 1976 | 168,852 | 1975 | 166,570 | 1974 | 164,657 | 1973 | 163,463 | 1972 | 162,732 | 1971 | 161,776 | 1970 | 159,388 | 1969 | 153,754 | 1968 | 143,526 | 1967 | 129,204 | 1966 | 113,567 | 1965 | 101,256 | 1964 | 96,033 | 1963 | 98,937 | 1962 | 108,501 | 1961 | 120,959 | 1960 | 132,015 |
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