Year	annual % growth
1971	8.571672625462654
1972	4.8250714468541815
1973	3.447162214499315
1974	1.0163480740296222
1975	9.4353078669496
1976	5.363858966517498
1977	8.760488522365037
1978	6.682578140853096
1979	1.2175231321479174
1980	-5.213334187531942
1981	19.47616032973923
1982	9.558005165805355
1983	5.677471699425524
1984	8.3187385479891
1985	-1.3647891698743848
1986	0.9687835914819516
1987	1.9426672905057814
1988	2.289100836152585
1989	1.5790070341111857
1990	-6.583538326451318
1991	-10.23906740262018
1992	-17.847425771649256
1993	-11.323419067622837
1994	5.664279621169868
1995	1.4709707729856518
1996	3.918305879580018
1997	2.312459165693241
1998	1.8783340106172375
1999	5.112603914070263
2000	2.090737148983848
2001	3.8220769489465454
2002	2.1316496843158035
2003	6.200269310809148
2004	1.539864089573058
2005	0.37822497420020795
2006	18.71045015498656
2007	1.5169033174411481
2008	-1.7655288908605513
2009	0.8966760025185039
2010	7.854191771389225
2011	1.400582578508434
2012	3.2543680151109697
2013	5.160257631769511
2014	4.584496067843304
2015	7.353246933259399
2016	4.141381536475137
2017	1.6768434429532277
2018	2.2436288257529498
2019	-0.8556946929039952
2020	-8.68793793041229
2021	-2.661045975497302
2022	2.0638787386655792