Year	annual % growth
1971	1.7208046422001644
1972	3.6845183078056323
1973	7.101125745749144
1974	2.894065618498857
1975	-6.260610006507903
1976	0.5301566316058768
1977	3.012623761875915
1978	1.2232264966952897
1979	6.672602559241184
1980	6.889035483916217
1981	-1.5614053903388054
1982	-3.3712552732352634
1983	-1.4395133129569615
1984	3.9841496772339013
1985	1.0336777684126162
1986	2.7844246331200253
1987	4.819737349752714
1988	7.188403644384778
1989	4.384751640378568
1990	4.326683804720915
1991	1.2970995187947807
1992	-1.4376728779620578
1993	-11.21833429095544
1994	0.7177724797219156
1995	7.035405440760371
1996	2.4824139826347533
1997	1.9708454608214225
1998	4.048777616783951
1999	4.359941014716881
2000	6.80924538197732
2001	2.6725200766074693
2002	3.8552358096380885
2003	-0.6247395199326604
2004	1.6167622401142694
2005	1.5504211741880454
2006	2.540586449311405
2007	1.5221215415960785
2008	-3.155483287421319
2009	-9.74711547518757
2010	-0.2001859754245885
2011	-1.4327384834992358
2012	-9.739770667787184
2013	-6.44561134605577
2014	-2.2194742870285324
2015	1.7599319911605988
2016	3.9932639443023277
2017	3.217294277328193
2018	3.0748729298659185
2019	1.2340357346778035
2020	-7.864058530514157
2021	20.2701656389127
2022	8.623770787684549
2023	4.663866491159595