Year	annual % growth
1978	-5.424338695811514
1979	13.16402536360306
1980	12.249862506837587
1981	-0.26657872524430104
1982	3.925814472242564
1983	-6.333386786547479
1984	4.376178475076813
1985	18.46432428678642
1986	-1.845937060390611
1987	10.209275954704864
1988	-2.8355154079905276
1989	-5.413971119705764
1990	17.408907202596595
1991	0.582640090856998
1992	-12.400994976391928
1993	17.01754892661647
1994	0.21911708052837753
1995	7.157655086197096
1996	8.827317276273732
1997	0.38484586443776436
1998	-4.354664331552129
1999	4.789313721200216
2000	3.628872881001115
2001	-1.845544764124483
2002	-0.5785328889838581
2003	11.221025558238807
2004	-3.0781301313770797
2005	5.200175225908993
2006	0.47036976494294436
2007	-14.717401085464203
2008	9.072764256953931
2009	2.251098255929378
2010	-7.947017451553535
2011	12.444098235626711
2012	5.006056281713242
2013	-0.8727878453586868
2014	5.041946857124842
2015	2.2299506803391154
2016	0.47958307786632304
2017	-3.8722151817411685
2018	6.799075732463706
2019	-2.009600830885546
2020	3.168048696098836
2021	0.11866876640421253
2022	3.4968183478058847