Year	annual %
1971	-4.6085609916646035
1972	6.920205459717366
1973	11.6354559132851
1974	10.06100767179403
1975	-12.066530942602967
1976	6.647633935927203
1977	-2.5039027467158377
1978	4.809176158813642
1979	1.9764944772682043
1980	2.3235197220607944
1981	2.5017262149940933
1982	12.227262295014768
1983	4.03673465692674
1984	2.7543070257237474
1985	4.239449426756309
1986	5.903086491627533
1987	3.426722515117291
1988	6.809504978650054
1989	8.126431709686784
1990	3.971983899170013
1991	6.512564400728209
1992	-1.1067189777097184
1993	3.3420897006964054
1994	-0.2968479015410992
1995	3.3245996768412738
1996	1.6055369850848251
1997	4.193997485848342
1998	-0.7218146968058505
1999	7.158964643476679
2000	2.3896766820323876
2001	0.6014909005972839
2002	-3.976930686977525
2003	-3.1801597862320676
2004	15.093469007131915
2005	2.894461150927768
2006	-4.695116352605609
2007	12.357007224022837
2008	-6.469249286018766
2009	-22.216584350916563
2010	11.75645701646124
2011	1.5550092051651632
2012	10.875479552813232
2013	-5.080201905254285
2014	3.123776521486832
2015	-11.067332816986777
2016	3.7998732353873947
2017	6.773769168259719
2018	-0.41856982619283656
2019	-4.414622182681953
2020	1.9364136545463282
2021	5.469537107269673
2022	-3.554006925498328