Year	annual % growth
1971	15.26314522424643
1972	8.608515778154583
1973	5.948578745762177
1974	9.900125953664471
1975	-5.870472330183333
1976	5.330072906272562
1977	10.455066408079546
1978	8.572123364681673
1979	3.378712116581468
1980	3.1113270211311743
1981	6.492688634634817
1982	5.1961822636458805
1983	-3.0574600753902104
1984	2.863581734718636
1985	4.820138951502372
1986	7.003509835826648
1987	13.586123491320222
1988	-1.6736673929342345
1989	-2.2452681751790067
1990	4.303503545125295
1991	2.7230142154744783
1992	-2.9054305111921366
1993	-3.15420985256614
1994	2.8193848591575374
1995	1.699903040483818
1996	3.928088516685932
1997	5.275728025990418
1998	9.952232800595468
1999	6.677747700974777
2000	4.364926817088687
2001	-0.531831175076718
2002	1.0211585833364865
2003	4.692083525057299
2004	5.6697301923552175
2005	9.635555921883793
2006	4.228760581939085
2007	5.814418374378306
2008	-3.0734873374286735
2009	-9.480944919589788
2010	-1.306846508479552
2011	1.4071921768119182
2012	0.7074797440684364
2013	1.0120715607096429
2014	1.903891325206942
2015	3.0428807027881106
2016	4.8548522900923246
2017	6.359856691637191
2018	4.803813345914065
2019	2.444470011930065
2020	-0.3778666662170309
2021	5.317223660936705
2022	6.216860642469243
2023	1.0432519242961575