Year	annual % growth
1974	-1.0477473609502397
1975	-4.68283095074554
1976	0.7944751905057785
1977	-2.5199414806087077
1978	9.039752783827268
1979	6.166188018669374
1980	1.9431492883395833
1981	11.96482619331276
1982	-2.1629450630680793
1983	2.329776104281194
1984	2.287355092171211
1985	9.196029509182566
1986	3.9284561885006184
1987	3.625162520309715
1988	2.5684981199948425
1989	2.5201522899010627
1990	7.021881850924714
1991	-1.417986061002324
1992	3.260885287122477
1993	3.0221184079305914
1994	5.189962516473102
1995	3.7579389696848153
1996	2.861512589029843
1997	2.1561830773604527
1998	4.1529668475533725
1999	4.446859772714291
2000	5.673186595998843
2001	4.8038030274725685
2002	3.721006763705148
2003	4.16053306906386
2004	7.722904947559201
2005	6.535376810577759
2006	8.109772267904162
2007	7.472245072898545
2008	5.240133501005317
2009	5.044503944272606
2010	6.15341225113832
2011	5.63967098095732
2012	6.115230676916568
2013	5.672929667280741
2014	4.137087519422238
2015	5.949923742405659
2016	6.908403367976874
2017	4.547737551975544
2018	9.136767678411829
2019	14.36010147156206
2020	4.1722545854266
2021	7.400798380594793