Year	annual % growth
1971	8.920936793910215
1972	7.8179876514830084
1973	16.163444212907407
1974	-11.6156945393099
1975	-3.60974004213854
1976	13.556899380413043
1977	4.055708658840345
1978	18.877954089855976
1979	13.611531622712974
1980	-4.717488358865566
1981	9.52987804318066
1982	-3.4123171474271743
1983	-9.285233086425038
1984	-2.515734579417611
1985	-7.714738625221244
1986	-2.7934490119037463
1987	-1.1378713639957283
1988	5.235140543034106
1989	10.134905197214167
1990	13.402015010298712
1991	-6.983936067545528
1992	-0.02659909440416186
1993	-5.083268625488529
1994	11.837950739037552
1995	15.790479257010219
1996	16.42686829508169
1997	15.805345461480599
1998	13.44052348737273
1999	14.074926858982266
2000	5.052521162579964
2001	5.821999894061534
2002	5.555627714313815
2003	7.975087566178686
2004	9.757872729167346
2005	16.837509517299438
2006	7.211412434832624
2007	0.030985679083798345
2008	-11.582044606221018
2009	-16.927744353810922
2010	-15.03034415711906
2011	-0.047155570891007415
2012	16.09616981533199
2013	-4.153871125430598
2014	18.54432366249354
2015	50.493731224078516
2016	50.28132612681836
2017	-0.6775648327241868
2018	-8.174951046013092
2019	100.69100952886703
2020	-16.505832068489894
2021	-40.39962735776695
2022	5.081545459442253
2023	2.914185636616182