Year	annual %
1971	1.7282374411925758
1972	4.821618911085395
1973	7.252971584284552
1974	4.592695989635104
1975	-0.045319357009802275
1976	3.7308671491882848
1977	0.8669011129204733
1978	1.4624349399226588
1979	3.733960195053811
1980	0.8233552103408215
1981	0.5936684094132829
1982	-5.133046085107367
1983	2.32639177215286
1984	4.327775354394319
1985	3.555323749627547
1986	-0.07193256424393724
1987	3.819243293394578
1988	3.4944652514739687
1989	0.8099490709707879
1990	-2.008141111385143
1991	-3.449204284855824
1992	-0.9349451497425179
1993	1.2839628701271266
1994	3.001446718193961
1995	2.7621335084308214
1996	1.2620764923350123
1997	3.1123452189904697
1998	1.184302231276206
1999	4.881687541958897
2000	6.896703815871106
2001	0.0692058508918052
2002	1.1187191718713194
2003	2.7574477380600797
2004	3.935764686227145
2005	3.5505874136670315
2006	2.356852339560362
2007	2.1208603221313496
2008	1.353367230556188
2009	-7.215024325041156
2010	3.2914293394583467
2011	3.2384443578499713
2012	0.32401232361152665
2013	1.7224790991248682
2014	1.2655022020980056
2015	-2.3359589922705766
2016	-0.1671911390551486
2017	2.9691373800734056
2018	1.0456702469961527
2019	0.6309703312427928
2020	-6.55898744941787
2021	8.595873955487036
2022	2.9833843165511382
2023	-3.97460435135163