Year	annual %
1981	0.7316938742796424
1982	3.784315131096676
1983	1.5697160167126043
1984	1.319413766175927
1985	-0.6934325563304782
1986	-0.8302696133148117
1987	-0.8805642557111355
1988	-0.46369657025876165
1989	-4.894775421732007
1990	1.7359271114942771
1991	-7.742125751344361
1992	6.9840794768527275
1993	0.26930690556716286
1994	-7.549038363219324
1995	1.5228644049424531
1996	-3.5500267515894137
1997	1.7876212695459657
1998	-1.0233735007775664
1999	0.04600998968487602
2000	8.766053803815879
2001	0.3717952960563764
2002	-0.10901546449024124
2003	0.04952753448932867
2004	-0.10777684534532739
2005	0.9236395745598287
2006	0.6639627620993451
2007	-0.8040278463012527
2008	1.4950762636389783
2009	1.2025105106218348
2010	1.6854618816871465
2011	1.9769913386455045
2012	0.8958401520456931
2013	2.4365676769493945
2014	0.30378377635622655
2015	-0.8606382093514071
2016	1.1327320147943283
2017	1.6355880525443638
2018	1.7564672438460605
2019	-0.1871154256527774
2020	-2.0872517670663058
2021	0.1976645678399649
2022	0.520089510060302
2023	0.571327568854187