Year	annual % growth
1968	2.4391933539964015
1969	-5.291868496941959
1970	7.821738494148931
1971	2.3311213439595235
1972	1.5193199752517614
1973	-10.972189001987118
1974	-6.443318950438808
1975	24.551173772878542
1976	14.423131935753403
1977	7.98365961818763
1978	-7.586942091183374
1979	15.999185990775672
1980	14.085611951583374
1981	3.5383613746374607
1982	-11.656525722936422
1983	-6.355009475054402
1984	-8.01747486540333
1985	29.257235849030224
1986	-1.3549333206664187
1987	2.443606722903624
1988	23.36711926175701
1989	-0.049862634314777665
1990	-6.39828699621151
1991	16.295879714906604
1992	-12.280809428317824
1993	9.229547673478791
1994	11.031340605830309
1995	-3.3699999836824333
1996	2.330155526815588
1997	0.15610552662479904
1998	10.935682547049225
1999	7.736352539452994
2000	-10.68522258708468
2001	11.385312201528691
2002	-3.7000451273425483
2003	14.558772136077152
2004	-2.2574555268671475
2005	10.045765296805016
2006	5.316265095061354
2007	2.5454316531862986
2008	10.95905766879028
2009	2.5909390019306358
2010	8.49010409731585
2011	-3.459773232009482
2012	9.07401125502156
2013	-3.361883145853554
2014	10.11522206778504
2015	6.389227915184193
2016	7.537857806609068
2017	5.1529076387240025
2018	5.880196932938759
2019	4.014118681814622
2020	-4.797960102070306
2021	1.4084655759726274
2022	2.4059144441799276
2023	7.966060140308386