Year | Value | 2023 | 149,016 | 2022 | 148,178 | 2021 | 148,838 | 2020 | 150,748 | 2019 | 154,069 | 2018 | 157,803 | 2017 | 161,484 | 2016 | 164,554 | 2015 | 166,595 | 2014 | 166,950 | 2013 | 166,280 | 2012 | 164,297 | 2011 | 161,288 | 2010 | 159,216 | 2009 | 158,712 | 2008 | 159,434 | 2007 | 161,032 | 2006 | 162,687 | 2005 | 163,053 | 2004 | 162,328 | 2003 | 160,870 | 2002 | 159,658 | 2001 | 159,753 | 2000 | 160,307 | 1999 | 159,990 | 1998 | 157,460 | 1997 | 153,477 | 1996 | 150,300 | 1995 | 148,701 | 1994 | 149,012 | 1993 | 152,997 | 1992 | 159,759 | 1991 | 165,878 | 1990 | 170,961 | 1989 | 175,931 | 1988 | 180,156 | 1987 | 182,553 | 1986 | 183,903 | 1985 | 184,947 | 1984 | 185,380 | 1983 | 184,441 | 1982 | 183,759 | 1981 | 184,981 | 1980 | 187,271 | 1979 | 190,518 | 1978 | 194,725 | 1977 | 199,430 | 1976 | 202,720 | 1975 | 205,045 | 1974 | 207,881 |
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