Year	annual % growth
1971	2.981780853697515
1972	9.946092053379488
1973	9.647369781332188
1974	3.0709585304334155
1975	-14.151050049511156
1976	13.564084711450292
1977	1.5523964447017704
1978	5.9612204787776335
1979	11.992805763105864
1980	5.570977368516907
1981	-0.8085914755320118
1982	-0.05425918443695821
1983	-3.064694794214944
1984	12.822209367673977
1985	4.276242626781411
1986	5.3164766508245975
1987	12.033537996696793
1988	5.961847484438792
1989	8.549333071648732
1990	9.795099696059978
1991	1.8931387109460047
1992	7.114525663756282
1993	-11.195318946978517
1994	8.04960307289302
1995	9.554820275471627
1996	-1.2012608623081036
1997	10.389211865781476
1998	9.035771108516016
1999	4.494825141035832
2000	10.990818201458708
2001	2.4309808826061214
2002	0.5627518353018388
2003	0.7398119252629272
2004	4.573083885669931
2005	3.4403079479275505
2006	7.958543290417609
2007	5.454208409992731
2008	-4.024321843502037
2009	-13.118165018648682
2010	12.166858801500766
2011	0.5632309199729661
2012	-8.119492765874796
2013	-2.7021306720378675
2014	3.4522867110545974
2015	6.463675290873709
2016	3.92707414956152
2017	6.091371221382815
2018	3.438160065955813
2019	-0.6999625282203823
2020	-12.128052009642332
2021	15.55560354920624
2022	12.912624663607701
2023	-0.5366310498185811