Year	annual % growth
1971	7.229526341099145
1972	5.011410210076164
1973	31.132847131889832
1974	23.043988619732573
1975	-32.512064139671054
1976	4.948023229447855
1977	-11.418382930143025
1978	-14.83137976481602
1979	12.887299552879654
1980	-7.5828037499801155
1981	20.64834286456245
1982	7.393187272083381
1983	5.470089195964434
1984	12.870192134463053
1985	-4.131583906233402
1986	-2.239923310993561
1987	-4.442851111933209
1988	-0.4499129354394569
1989	13.979220753114333
1990	-8.276741380353428
1991	-16.556522618536604
1992	8.34871571258249
1993	19.8955763931975
1994	13.564059954371416
1995	8.165822207008006
1996	3.093629710358755
1997	1.1691868061091952
1998	-4.690687741284222
1999	15.440348789405434
2000	-1.28451028635196
2001	8.545262157513463
2002	7.165404338928653
2003	14.295828131680423
2004	9.076041167170672
2005	4.063876884927907
2006	-5.334962347656827
2007	11.50875113663416
2008	-8.499111090276728
2009	-13.336195883351749
2010	7.452993919369376
2011	8.01844514546562
2012	3.707115911454167
2013	7.822958637747888
2014	8.509142743475877
2015	1.8146470129886154
2016	2.9135220178985435
2017	7.932916644283068
2018	4.1816757656902155
2019	1.5700147193082898
2020	-2.8872485805824084
2021	12.806907497972773
2022	2.0592938119994955