Year | Value | 2022 | 156,793 | 2021 | 157,273 | 2020 | 158,823 | 2019 | 160,780 | 2018 | 163,029 | 2017 | 165,760 | 2016 | 169,166 | 2015 | 172,271 | 2014 | 175,670 | 2013 | 179,380 | 2012 | 182,102 | 2011 | 182,121 | 2010 | 178,754 | 2009 | 173,289 | 2008 | 167,411 | 2007 | 161,523 | 2006 | 156,332 | 2005 | 152,650 | 2004 | 149,530 | 2003 | 146,253 | 2002 | 143,090 | 2001 | 140,528 | 2000 | 137,775 | 1999 | 134,433 | 1998 | 131,300 | 1997 | 129,073 | 1996 | 128,781 | 1995 | 130,425 | 1994 | 132,761 | 1993 | 134,886 | 1992 | 136,994 | 1991 | 139,535 | 1990 | 143,058 | 1989 | 148,049 | 1988 | 154,005 | 1987 | 159,977 | 1986 | 165,504 | 1985 | 172,197 | 1984 | 179,018 | 1983 | 182,571 | 1982 | 183,155 | 1981 | 181,835 | 1980 | 179,090 | 1979 | 176,721 | 1978 | 175,877 | 1977 | 176,091 | 1976 | 176,314 | 1975 | 175,673 | 1974 | 173,618 | 1973 | 170,088 | 1972 | 165,958 | 1971 | 162,234 | 1970 | 159,515 | 1969 | 158,305 | 1968 | 158,664 | 1967 | 159,570 | 1966 | 159,618 | 1965 | 158,420 | 1964 | 156,653 | 1963 | 154,601 | 1962 | 152,848 | 1961 | 151,651 | 1960 | 150,094 |
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