Year	annual % growth
1971	-2.251276127450325
1972	14.458619792013877
1973	12.037786076527993
1974	9.995942196831578
1975	-4.563589854612189
1976	-1.0036076905395674
1977	-3.729735635399777
1978	-5.4846173433925
1979	-2.183828935081408
1980	2.614431718965321
1981	-8.60047669345741
1982	1.4616935225812142
1983	-2.20806053741795
1984	-1.7271579861268265
1985	5.140636447805775
1986	12.068965262843207
1987	12.899175781892438
1988	14.838138428301349
1989	11.54178252213569
1990	6.243854835466948
1991	1.4473200651390812
1992	-3.6559682343272897
1993	-11.55031709139979
1994	3.4690906398077175
1995	7.593835613975216
1996	2.0972028163611895
1997	5.450605771939948
1998	11.631073025809371
1999	10.522926473437664
2000	7.047576815390414
2001	3.7821460740726565
2002	3.7478128089334746
2003	5.888142296026572
2004	4.75377699665394
2005	6.487247326052241
2006	7.5066374278972745
2007	3.914350033291882
2008	-4.210005288781005
2009	-18.50742887883743
2010	-4.152370860006769
2011	-7.505448745542452
2012	-10.365994052780351
2013	-3.952035590728485
2014	5.843357725705303
2015	10.05069701677894
2016	1.4152279899561222
2017	6.308315550652949
2018	7.754593443440044
2019	3.142017333238016
2020	-12.501987516358795
2021	9.403772318932411
2022	1.4118518897094532
2023	-0.4397071978430489