Year	annual %
1961	1.1907831434046159
1962	0.17995393613767874
1963	1.7048948997074405
1964	2.7395774241356037
1965	8.23921337727667
1966	15.22609245571762
1967	8.355503753609497
1968	4.013615852719681
1969	1.0462110119525647
1970	-0.6249543319162711
1971	0.6909750882709886
1972	-1.975995713823238
1973	-1.5031683112892011
1974	0.8611306428098118
1975	3.424449109272416
1976	9.612301178078184
1977	11.177149892719228
1978	7.695630880745966
1979	0.5913923527874942
1980	-8.252963381635553
1981	6.887144380701528
1982	-4.562848010071519
1983	-4.437225263479576
1984	-2.722506057317105
1985	0.8002510521296813
1986	-0.5361320373936564
1987	-7.262398737983318
1988	6.386753335686009
1989	2.6126060342975848
1990	-5.517109382352345
1991	1.9037909007056868
1992	-0.44719476843617656
1993	-7.330428940554427
1994	2.388417093205632
1995	-1.8278901700844727
1996	-1.1263433371469773
1997	3.5871040055632193
1998	0.33663494179920406
1999	-3.2252588266090925
2000	0.27966978402544385
2001	2.4050189406913347
2002	1.0844067084974824
2003	4.5879064651781505
2004	7.0566542879272305
2005	3.3566582225867734
2006	4.617503576009625
2007	3.9322472074725994
2008	2.9746806793797873
2009	1.8597270071402505
2010	3.995382338654437
2011	4.686482738584317
2012	1.5928119159720069
2013	1.868235940189237
2014	-0.7537711070608282
2015	-4.385332082910622
2016	-5.889277089378581
2017	0.5105485434869337
2018	3.8601032654534464
2019	0.05766367486330637
2020	-16.911407446687733
2021	-3.377631593936684
2022	1.5959098565864167
2023	1.224442666488315