Year annual % growth 1976 -15.294883452128389 1977 0.6501221117593161 1978 28.09417650123541 1979 24.849541162188004 1980 16.759313588757934 1981 10.950345129794755 1982 -8.012338650043432 1983 -15.95903445615204 1984 19.171723333950837 1985 -7.456058952449467 1986 -6.735608824984681 1987 -31.249211152449192 1988 101.43496934656008 1989 106.91366253982073 1990 8.886418073988708 1991 -10.956277462832062 1992 -8.857168205601269 1993 1.9260869845443978 1994 -4.628365138654615 1995 8.352657362701436 1996 -0.46794090464781846 1997 1.214852145909461 1998 71.04249581701905 1999 -23.927192837980485 2000 34.26464115597568 2001 -2.403186821727701 2002 2.722782361766889 2003 3.5445159286362298 2004 23.931102402388092 2005 -16.30133978085736 2006 14.730970758047548 2007 39.179916248404 2008 195.45214021544547 2009 -24.460641160711248 2010 27.10607815730313 2011 27.110173748369974 2012 -4.050742552505014 2013 -22.860295469667193 2014 12.412517407562731 2015 11.53655374249523 2016 -9.770750510755846 2017 13.914012971681487 2018 -0.6744693841479972 2019 24.455725955974074 2020 7.777897798988235 2021 -7.608339152148247 2022 -6.6839035589433 2023 19.55718943541629