Year	annual % growth
1966	10.06142026457944
1967	1.7843262845278645
1968	-10.050348212940406
1969	-2.7284804918382974
1970	6.754941248542053
1971	8.465387493536113
1972	8.902736180378355
1973	17.90053689671491
1974	2.36191936010502
1975	-7.37859036323465
1976	19.464985675755784
1977	31.51071799411355
1978	1.6571026556941462
1979	-8.48500808855924
1980	-25.92790661633859
1981	-12.66522820604608
1982	-22.113460301165304
1983	13.670597962905688
1984	1.165632396789377
1985	-0.8480570144744348
1986	-3.2137844887832756
1987	0.2064704492874796
1988	-0.28871039408912225
1989	6.006841239208384
1990	41.46707480123413
1991	3.8652954272644138
1992	17.11011038676928
1993	19.127121862797566
1994	14.343732966090215
1995	18.618792131601026
1996	-5.389495182205664
1997	15.262629890974381
1998	6.304612659433801
1999	1.7926569590927244
2000	13.149443846361692
2001	2.8522606656106575
2002	0.8940445715093261
2003	4.124778449759631
2004	2.1365851424650657
2005	4.884795106923988
2006	9.22587528980921
2007	10.388349868590382
2008	-4.309587259086513
2009	-22.33455856323019
2010	8.994083056004797
2011	5.103148147365459
2012	1.1363638289956413
2013	4.8008175417784855
2014	-2.534113233629384
2015	4.659999999999997
2016	-0.5159564303458808
2017	1.4022281982328195
2018	2.595188482667183
2019	4.237444608567216
2020	-14.427420069081563
2021	28.75181121920926
2022	0.8762057877813589
2023	-1.418439716312065