Year	annual %
1971	2.437070256874847
1972	5.925811178469331
1973	4.2322950065931195
1974	10.110734170729074
1975	18.685256755925877
1976	16.42315246418285
1977	11.747083874101989
1978	10.010060963478566
1979	9.376492786397733
1980	5.933049981858176
1981	2.554855452836847
1982	0.11383673827384655
1983	-2.003414923923799
1984	0.9213026624232299
1985	0.7988520227203253
1986	2.1637956986659646
1987	3.396064603058477
1988	7.527756972109813
1989	7.131311540206127
1990	5.256597734650015
1991	3.431026400606484
1992	3.6164505280510895
1993	3.4424362464507254
1994	4.66759445198295
1995	5.603712101535407
1996	3.098243734094069
1997	4.463409646456796
1998	4.444567350152241
1999	4.100967966509344
2000	18.91149159674275
2001	-1.9141992230465519
2002	1.8034756637261466
2003	3.391785051373347
2004	-0.5300484611026235
2005	2.7266844435392983
2006	2.1373399817627927
2007	4.409935138441526
2008	3.153000289321824
2009	-1.876429626007507
2010	5.026498887120809
2011	0.04227131388255145
2012	3.185667140640149
2013	4.002804766429762
2014	5.505675834012564
2015	7.023412440726133
2016	1.0423156357579586
2017	7.874134261773861
2018	3.730076266641305
2019	2.994533833907127
2020	-10.165334615390506
2021	11.818730856363516
2022	5.516260668111258
2023	1.3946321434398925