Year	annual %
1971	-1.0434001988691648
1972	5.181943648415171
1973	6.352683167188204
1974	1.864944033013444
1975	-2.651237290608293
1976	-4.121736435633238
1977	-3.5492967626697265
1978	1.7541368728123672
1979	-0.08052486903341105
1980	-0.3653463826954635
1981	1.6541751171374983
1982	-2.35368492937603
1983	1.6903907110586829
1984	2.97919339992427
1985	0.7426628217091604
1986	4.144162547677595
1987	1.9567936226748657
1988	2.703935046293566
1989	0.5951207906324356
1990	-0.36426130132294077
1991	-6.955703664262074
1992	-0.677178046437632
1993	2.474468049108225
1994	5.034679929085556
1995	2.6394797592013077
1996	3.373420159306633
1997	1.4009928019139437
1998	1.913977019648641
1999	2.520921535295969
2000	0.8197118073166791
2001	2.100753558137498
2002	3.170461540876701
2003	4.130244021586151
2004	3.789895571148193
2005	3.436791868352657
2006	1.6254985749176
2007	2.8311345404236476
2008	-1.6368786626945848
2009	0.5199670092779201
2010	1.0610695062477618
2011	2.3716774513916334
2012	1.7497992536473532
2013	3.0236931002615535
2014	1.6054809020165948
2015	2.1258014108190224
2016	4.059824240165753
2017	2.655944410676298
2018	2.702479077630258
2019	0.8075915354595935
2020	-2.113355799617608
2021	5.53836874523374
2022	2.6245117277207157