Year	annual % growth
1971	3.793815713864163
1972	-8.982949234745547
1973	15.484669972874471
1974	5.8827325519046525
1975	-8.332362341780666
1976	15.150664786738304
1977	-5.2634617915656605
1978	2.779425973695382
1979	35.132396390362686
1980	16.721757076461017
1981	6.397724319811587
1982	60.51891363824143
1983	17.393722438794782
1984	9.239308480304615
1985	-7.376141647607653
1986	16.617459527093644
1987	3.7762672158410595
1988	24.558252679714926
1989	8.611628498148065
1990	9.386735187663959
1991	-0.018185423447206972
1992	12.91748465221167
1993	15.012466501794592
1994	3.6912908993568863
1995	5.432872435224766
1996	2.3817569197354516
1997	16.883738886752226
1998	0.9407996250346571
1999	-0.17824479816110284
2000	18.339265579770768
2001	27.346254817796193
2002	30.137269565488253
2003	13.260705130660739
2004	5.879247135707928
2005	-12.329518899575874
2006	9.594642533818032
2007	1.0694972976331059
2008	-2.4143178511793764
2009	-3.337670922211018
2010	3.271216931789027
2011	-2.8436605321794985
2012	-4.161755183864614
2013	-4.079666046716639
2014	-11.373109750237276
2015	15.262140939467542
2016	17.514738882596006
2017	-9.494725922555432
2018	14.14086749908617
2019	-0.7525498685111387
2020	-9.118642724555443
2021	7.526490997514983
2022	-3.6459190515489297
2023	-5.933851963557842