Year	annual % growth
1968	10.637180712465351
1969	2.4274105848919305
1970	6.040891466783819
1971	0
1972	0.2629321878633135
1973	9.178312223073817
1974	5.884711695422126
1975	12.400758478910532
1976	5.650858319817814
1977	1.8147090172007836
1978	6.066286009039246
1979	-1.090796186603896
1980	12.870340913285517
1981	7.8747168088856085
1982	-5.290084970499805
1983	5.794931167855722
1984	6.850559136639518
1985	2.2544866857175236
1986	-3.619086826207024
1987	6.072708470640649
1988	2.7935755851145956
1989	1.9364244268834057
1990	7.315111091530113
1991	-0.7038066504955367
1992	6.928214901524711
1993	11.199033892423799
1994	-1.8397038161419914
1995	5.848847328291313
1996	3.125957529995958
1997	4.232750638564411
1998	5.6174077317231195
1999	-0.6881986331042782
2000	5.0729977483374995
2001	4.562286930506161
2002	0.827577862132614
2003	2.9485208125796873
2004	8.026429553925027
2005	-2.3099255938321903
2006	8.432461198800368
2007	6.618141963800525
2008	-2.953816249116784
2009	3.447549453756494
2010	2.589156677872012
2011	2.741241715934791
2012	4.544260141483591
2013	5.289230315159486
2014	1.359108427347877
2015	-0.24320462569357915
2016	-2.080064237755309
2017	11.732894529536082
2018	10.117980682212945
2019	6.147196640696791
2020	-4.962631998847357
2021	2.706214472593132
2022	6.109356140216434
2023	4.134301794170824