Year	annual % growth
1971	0
1972	-7.615082728039312
1973	52.37050074426912
1974	-2.625473915729515
1975	5.836440337714507
1976	2.583096885501419
1977	171.3980077800099
1978	25.178755468655197
1979	1.2647925038687333
1980	71.7526180520635
1981	-38.68102360764083
1982	20.404491685313047
1983	2.367086327365712
1984	-4.320526667913271
1985	27.52895754605835
2014	4.889584059749836
2015	11.489135255096159
2016	6.37301267169201
2017	18.68823000894291
2018	18.622255866583288
2019	11.61455009586912
2020	3.716409376767359
2021	10.970231532545526
2022	34.07848981607694
2023	3.783080029682907