Year	annual %
1971	5.228060023063378
1972	4.6483096214373205
1973	6.553757505686434
1974	4.474611051130623
1975	-0.9726374947457117
1976	4.411628784649224
1977	3.553236079710544
1978	3.953551303513464
1979	3.5342049294161626
1980	1.6854574337630481
1981	0.922378365935046
1982	2.4323894752108544
1983	1.194973349034754
1984	1.4845156308988408
1985	1.7086996835429318
1986	2.4523646833737303
1987	2.484574170400336
1988	4.5986014753521545
1989	4.163659310391353
1990	2.643454170539485
1991	1.0151282413274316
1992	1.3666396730978647
1993	-0.9139188018373972
1994	2.2156246895834073
1995	2.117151292723321
1996	1.110732748953808
1997	2.2372487513952564
1998	3.5032652887007742
1999	3.3005414611817088
2000	3.910229176412088
2001	2.187734090617738
2002	1.026495638998881
2003	1.087536748871372
2004	2.4704841678611587
2005	1.875679635142859
2006	5.794047932578366
2007	14.438635797859092
2008	0.7396127909506305
2009	-11.334484992442228
2010	2.0652200384793105
2011	7.0223579660693645
2012	1.0122179612949083
2013	9.57709795612061
2014	7.187027898076352
2015	4.863473211433302
2016	2.9641045859393245
2017	-3.0441214863806465
2018	5.780346820809257
2019	7.0834606116145835
2020	-13.011093502377179
2021	21.867371105848065
2022	11.096826274797067