Year	annual %
1961	3.666405598888261
1962	3.388705484403644
1963	0.64388884684125
1964	3.904272244958335
1965	10.782580902295933
1966	2.34705068485826
1967	4.040278226448677
1968	4.6951622027771975
1969	-0.25859205878461466
1970	7.6545025252475085
1971	5.02296927989174
1972	5.169172613093437
1973	4.910397080425753
1974	5.136360855285631
1975	-1.5316786488813392
1976	6.814073289241421
1977	4.335334866474213
1978	1.256753560665885
1979	5.1685059446630675
1980	13.554834020090368
1981	-2.5788284567944117
1982	-1.8080383818877976
1983	-4.890461602553216
1984	0.8730784808626453
1985	0.5335852741345235
1986	3.209927145052376
1987	-3.0162673534957065
1988	-4.05946555347181
1989	-0.5107422872816301
1990	2.5970072708837506
1991	2.124178289525119
1992	-0.3920517831338941
1993	0.06025373656231636
1994	3.253464512203834
1995	1.0333993256495404
1996	1.7440899818268178
1997	3.563379099062928
1998	0.855806005731182
1999	-0.7390301162478892
2000	3.0575292391944657
2001	-0.7701291529373435
2002	-1.385430503167541
2003	0.5899793888117557
2004	2.461760663656378
2005	2.7026143143289403
2006	4.698532586198482
2007	3.780845666314022
2008	3.3236541264658968
2009	-1.9539848658577057
2010	5.16503966050719
2011	4.21351059655035
2012	1.9224471398469944
2013	2.3357818150895326
2014	0.6238337690647882
2015	-0.21937804626517732
2016	-1.4943330265263057
2017	1.4072880962711594
2018	0.6304076070327937
2019	0.1610926926589542
2020	-8.416307839561739
2021	6.104960364126583
2022	4.811532251806838
2023	2.4271244945313697