Year	annual %
1971	5.423418134136824
1972	4.24453425895139
1973	5.841081510600901
1974	4.179765671826473
1975	1.0350704247636457
1976	2.427159673779954
1977	2.407046260772745
1978	1.6523148006652377
1979	4.974413886712554
1980	4.093466621460195
1981	-1.6902902514913336
1982	-4.134577673828559
1983	-4.4345528180846685
1984	1.921738346208926
1985	1.5018836678608096
1986	1.7128610072419974
1987	1.9238338969685458
1988	-1.195651006873291
1989	3.290871424260743
1990	-4.929025491848179
1991	1.7165012779402105
1992	1.014255608406316
1993	2.6553726519716037
1994	2.887131444261584
1995	-0.3149517047153694
1996	2.365370040425958
1997	3.769638127048154
1998	1.08360160176521
1999	-1.2741150596173583
2000	2.0572352183700247
2001	-1.1516018465994762
2002	-1.1639543608526424
2003	1.048604658835984
2004	3.2233095269369016
2005	2.5478982330722886
2006	4.820696381827901
2007	4.258391118849374
2008	2.6053390979742943
2009	-3.3507806974008645
2010	4.977453260009938
2011	3.2432440788733032
2012	1.5651311046011074
2013	2.0578906025403825
2014	0.25027739036048047
2015	-0.36963191300060316
2016	-1.5453459202039284
2017	0.7931189518175472
2018	0.14958257281472243
2019	-0.20240273874833292
2020	-6.868630652388347
2021	5.715983794030379
2022	3.3933690276253543
2023	1.3496941660481383