Year annual % growth 1972 5.9284185286190905 1973 7.841670073446892 1974 -5.7914694152841975 1975 -9.460937311725601 1976 1.624085398328873 1977 -4.243390490470063 1978 1.2627671068979822 1979 1.2586390872547213 1980 -0.4773239604615611 1981 3.4252520505852573 1982 -2.73114958638908 1983 3.4150919767062646 1984 0.6815379303218236 1985 -1.4948592989250358 1986 7.9866905280186415 1987 2.6316688700571973 1988 4.3632364165845985 1989 0.19885174666110572 1990 -1.990886774184574 1991 -10.128183437205735 1992 0.3437912823683291 1993 5.414856252058016 1994 5.469654202020635 1995 3.173129586930429 1996 0.21761757182679276 1997 2.766934228977817 1998 1.7663113779086075 1999 2.435280692402401 2000 1.9657563411102075 2001 5.800854530390879 2002 3.167140965322403 2003 5.4959442255634485 2004 1.7659652200985363 2005 0.49655391342236044 2006 -0.07475316071423777 2007 5.128746490121799 2008 -5.15318341654077 2009 3.525173932868725 2010 1.5652752409657893 2011 3.5316816764376284 2012 1.3577273034141655 2013 5.64882648433273 2014 1.6875172635091786 2015 2.0947807291180425 2016 2.717173355091049 2017 3.0797399502532556 2018 0.14667882950345756 2019 3.4700045424149693 2020 -2.291319741520624 2021 2.442546614595912