Year	annual %
1971	9.166554417133128
1972	8.550529754598244
1973	1.3804662581816842
1974	1.868004218920376
1975	-2.004542263755056
1976	0.012314578711226432
1977	0.4345371679480792
1978	0.21462058705455433
1979	3.3955816582978144
1980	-3.3705843698564166
1981	4.430461684275173
1982	2.537452283021352
1983	4.017721205670185
1984	-5.347390581734544
1985	-0.47699263251168134
1986	7.079562902835619
1987	6.056205556906292
1988	4.475674901981577
1989	-2.1339058762763585
1990	5.7751803400306585
1991	4.125113864835143
1992	3.951025517889221
1993	1.568517144520797
1994	4.368919310691837
1995	3.537035929481334
1996	3.63171378802636
1997	1.926831930374334
1998	2.5877550755750036
1999	0.3942280600087287
2000	2.7806926424425598
2001	-0.14082504473009294
2002	-1.8548387739286198
2003	-1.0669617470398123
2004	2.5637283131168402
2005	3.846716200182726
2006	3.8527386188933406
2007	3.679968490681574
2008	-1.2425047489145271
2009	0.6311427529948759
2010	3.4596928855055182
2011	2.965443377319545
2012	0.34533985046600435
2013	3.439529352096187
2014	3.62648634208378
2015	2.286595849710224
2016	3.239837160514554
2017	2.6510820824501735
2018	1.8667280413543779
2019	2.724989776305847
2020	-2.897397291536734
2021	7.55444599654696
2022	5.236980463394161