Year	annual % growth
1973	0
1974	0
1975	8.510645994321138
1976	-3.3702771707061885
1977	38.35394424603936
1978	20.42085974217558
1979	-18.87488089704634
1980	20.689060402873594
1981	12.12625818039244
1982	-1.7837670660398572
1983	4.169690289712264
1984	2.423377847964204
1985	6.480775817841916
1986	-18.16794344010661
1987	-30.892421154789375
1988	7.982238471622011
1989	7.595186520366283
1990	-10.53535930034603
1991	-17.67577830392358
1992	-15.236049093470186
1993	-10.223580630404555
1994	12.239233141016697
1995	-4.638415734930419
1996	-19.03087463358621
1997	-18.567876420352135
1998	49.75510549136985
1999	-11.221486737876475
2000	5.089717338769773
2001	44.189275501788416
2002	15.24042614866336
2003	8.644486274283025
2004	10.735977510390441
2005	8.121253816867508
2006	4.552706240004127
2007	10.363100414162616
2008	12.014224127917458
2009	14.324112451762645
2010	7.697163866924427
2011	-0.5613791627654194
2012	10.547372937914162
2013	10.67593847928579
2014	8.158299012692211
2015	6.167446897319138
2016	0.10508838128362186
2017	-2.226633191799891
2018	-1.3905248181033443
2019	-2.6777632085628937
2020	-10.329403891893364
2021	-0.2341200856201766
2022	3.8673362146741397
2023	14.886804320634653