Year	annual % growth
1977	-5.091118451043911
1978	3.9472539105202458
1979	-16.747892691237254
1980	39.28557874351651
1981	12.525425016736165
1982	2.634297644066123
1983	1.5853064618511752
1984	-1.9073596686464072
1985	6.944976825974351
1986	20.80494737136847
1987	-2.0892996677929006
1988	6.078642245900625
1989	1.226435411614844
1990	-0.047752487994685566
1991	-4.379957344952089
1992	-5.322551354482357
1993	22.77273177413403
1994	9.389929798867527
1995	0.4871322253413837
1996	8.137958807818109
1997	5.517720222043465
1998	-0.6789908609350306
1999	-3.662836319496506
2000	-7.732307437972054
2001	3.276213472840084
2002	-16.9648170019897
2003	-20.437254664427343
2004	-2.056355670283793
2005	-7.341726670027299
2006	-8.942446937314003
2007	-9.786355988639983
2008	-21.084344364382503
2009	-3.8241468134928454
2010	45.77855177826956
2011	5.104660055261149
2012	-3.2743452337525554
2013	-11.876533479051858
2014	3.8791761286361464
2015	48.41122639148995
2016	21.000790940081316
2017	4.806684520074995
2018	-2.9128726140290127
2019	13.889984815795657
2020	-48.949254860142524
2021	47.047945314625196
2022	43.94903643835116