Year	annual %
1971	13.159655476115375
1972	4.187745588304566
1973	11.98816654987911
1974	8.218960995797374
1975	-4.580958766581631
1976	0.5975681418600232
1977	-0.4625825918335238
1978	-3.0893952459871343
1979	-0.9535423423900795
1980	2.9069002993808084
1981	1.8714096252286225
1982	1.6727714581530506
1983	-1.692675923709558
1984	-3.3719455865557677
1985	0.36581031912182027
1986	5.541358674970056
1987	5.314549402967586
1988	6.937178120582189
1989	3.0935118846769427
1990	6.671068603271962
1991	4.4699638707125615
1992	4.818109475367422
1993	0.9782598973657031
1994	0.7538457009751198
1995	0.2484455719266947
1996	3.1286361950219543
1997	2.9407906120818126
1998	4.256561487171922
1999	4.671590587647387
2000	2.961111900495638
2001	0.18093802099737388
2002	0.7297293451421751
2003	-0.692522641764441
2004	2.311382365689667
2005	1.3883809973681736
2006	1.333899162865066
2007	2.308280533788931
2008	1.22550460291491
2009	-2.405055630393349
2010	2.308608534615857
2011	-3.517843269407507
2012	-4.933868020984974
2013	-0.49812923026384226
2014	2.9342549083655456
2015	2.4615601917046064
2016	2.883685506218228
2017	2.350195863942588
2018	2.7796766257158794
2019	3.23879027843617
2020	-7.1194524787593
2021	4.07310536275088
2022	5.064800912797438
2023	0.5447897438400418