Year	annual % growth
1966	0.7929282270522151
1967	6.500490856406785
1968	-14.788891893574373
1969	2.171729166245399
1970	17.620784076376623
1971	9.12681054913324
1972	22.57166617189246
1973	-1.1353309255284358
1974	19.884015816425958
1975	9.837633029728707
1976	11.380977217701329
1977	15.197909368868864
1978	8.4214037962264
1979	15.067554528181176
1980	4.49741139873494
1981	13.013217453345433
1982	0.9111201790989298
1983	-2.237812096184271
1984	5.677006039138462
1985	-13.047328631389433
1986	-2.0559732803095727
1987	-3.450066367101286
1988	16.147341004540976
1989	14.551144024074887
1990	10.690447689912645
1991	-5.629246485143014
1992	11.751949467120951
1993	2.7390386657543786
1994	3.1971934136484634
1995	3.738684126123971
1996	-3.3566457404460692
1997	8.820796957416022
1998	5.657416490748062
1999	2.8328833881714104
2000	6.962875473395442
2001	20.780885665626727
2002	-3.0107571918320986
2003	0.3028672004729742
2004	2.7224508268663783
2005	-0.04374978100506155
2006	7.5966374398317384
2007	9.599551180728128
2008	5.399942675334259
2009	-8.199985959259877
2010	45.8102675819633
2011	-1.06344853320077
2012	4.632830993903212
2013	-1.7061615894049282
2014	1.1459491555033168
2015	-2.235966293570627
2016	1.8888457006888757
2017	4.1466869755277145
2018	2.4880527206484686
2019	-8.386231607744534
2020	-16.555493322976787
2021	10.880646783708372
2022	11.408439898145971
2023	7.896634640488955
