Year	annual % growth
1973	3.0116701658853486
1974	38.700348796405905
1975	30.841098679235557
1976	24.301534190051626
1977	6.335072348767341
1978	-12.920331216126044
1979	-28.065664539943697
1980	15.130730309440878
1981	-6.057787525728358
1982	-3.6055890083057562
1983	20.30223684266879
1984	-14.107139893001772
1985	-3.6384229402541592
1986	-7.3884078676895655
1987	-8.412990920868552
1988	-20.503022134979474
1989	12.777563671623795
1990	11.039923439305738
1991	15.364796191510877
1992	-6.294276611289348
1993	-21.064208518979115
1994	-15.254144639204355
1995	16.68554576665629
1996	17.42038382214173
1997	-0.8071650267340829
1998	3.324296347898681
1999	1.549008223921149
2000	4.541306195853267
2001	15.077056582688272
2002	14.585897568601197
2003	13.16835657899118
2004	6.537119350613523
2005	-0.056577504076287255
2006	5.791386462389454
2007	13.923662540702026
2008	13.476109132303435
2009	2.206077686210989
2010	10.564487407424167
2011	-3.660424288525661
2012	-0.5560293443210895
2013	-1.3723576774274875
2014	2.956532788626049
2015	-16.18094148431939
2016	12.973749644532703
2017	4.245530339391948
2018	0.084588383983359
2019	-3.1437186705204567
2020	-4.072204429554134
2021	5.9065814511008625
2022	2.675644858383876
2023	1.058878909732286