Year annual % 1966 11.48615989281869 1967 7.566905726449463 1968 2.2092243283339883 1969 1.1791584122965872 1970 10.022750153891764 1971 4.031347299483031 1972 5.014463270018737 1973 8.379971031621807 1974 17.852066118499394 1975 16.38274585244372 1976 9.306933534068861 1977 9.099612231878268 1978 5.959669632609433 1979 9.60157930858469 1980 7.41573142614655 1981 17.16721831068213 1982 19.02193290876872 1983 17.648022955710616 1984 15.628598188049821 1985 13.66978186584629 1986 3.6855773873431588 1987 3.7465180940297955 1988 4.552500975345964 1989 5.157118564025055 1990 3.5987126320023606 1991 2.6680391868020337 1992 3.6943538228855033 1993 3.447369803126321 1994 3.3970996071805786 1995 2.797222506335345 1996 2.6592539109133497 1997 3.181433471964425 1998 3.0593771199778956 1999 2.6686819748236132 2000 2.8572091583599786 2001 2.729438907995842 2002 4.2149143634874235 2003 1.717268058846841 2004 1.6914602096407236 2005 2.200771953972861 2006 1.1869441576554607 2007 1.6240403153996823 2008 0.2796725322198057 2009 1.5868500626829984 2010 -0.287103184096253 2011 0.03985403816616895 2012 0.34676693706792605 2013 2.0904269681840617 2014 1.3612377270773948 2015 1.9600633571178037 2016 1.0628487751526592 2017 -0.3794549433294492 2018 -1.2031968858124173 2019 0.8224312694711671 2020 1.6582453251150326 2021 0.19882963220464944 2022 1.7936110487525525