Year	annual %
1961	-3.2195773917098904
1962	3.7335452945422674
1963	-4.936581383966029
1964	-4.014631126098578
1977	2.4075551823802925
1978	-9.489470297975089
1979	-8.873739506610505
1980	-2.0617340352651468
1981	-0.2672152968686987
1982	4.303216868074685
1983	-1.638267716400847
1984	-9.199597993363852
1985	-7.380552196390653
1986	3.6277348038911157
1987	13.232214185110266
1988	-1.9849492440393135
1989	7.0770155464277735
1990	-10.45679536924176
1991	-2.4403180760425016
1992	8.247990431596676
1993	6.076639239342811
1994	1.0034140434305385
1995	4.071189413375166
1996	7.057878558000752
1997	16.42247937906609
1998	1.5718536869326414
1999	-0.43395586307423173
2000	2.7418568021014664
2001	4.2713854169536205
2002	2.4310295462615557
2003	3.8091476457287
2004	1.6739905690202903
2005	3.042821610018919
2006	2.460740138317405
2007	2.9743225977788086
2008	-0.45933659052626297
2009	-2.7883371466389235
2010	-4.7950142871446815
2011	7.4825204663724065
2012	-4.032664465208953
2013	-1.6785683273133145
2014	6.719344222592085
2015	-1.5959252743599563
2016	0.41046279492853444
2017	-4.595083007090608
2018	-7.047801949136641
2019	-4.320425033639154
2020	-7.129808035585782
2021	-2.854809098703214
2022	-1.104774020878125