Year	annual %
1961	0.1998101563779926
1962	0.03641230287161079
1963	3.449875055044373
1964	4.9668702216605425
1965	2.960751126807253
1966	0.6080758298125204
1967	3.7981211485233786
1968	3.1281974093687808
1969	3.137783946287257
1970	4.05085309028685
1971	0.43032827260918793
1972	1.7149582622512298
1973	3.1092148801211295
1974	3.6334775500137084
1975	3.5604916756534237
1976	-0.23453869828247775
1977	4.127497417398729
1978	0.7821717574940266
1979	0.4121657420798499
1980	0.5577639912242631
1981	1.6574845012405035
1982	3.754582296890433
1983	1.0141847351434592
1984	-0.13020608968142255
1985	-0.9343443377005656
1986	3.4446047957487025
1987	0.48282895004606985
1988	1.5277834663674383
1989	2.9014236408930714
1990	2.794876843308188
1991	-0.28302309858773356
1992	1.2286910950993502
1993	1.0019002898965965
1994	1.1756600751934343
1995	3.249380432685726
1996	2.130265880836376
1997	1.753391027969542
1998	4.062095351662379
1999	4.414284044586964
2000	3.0209404593078375
2001	2.000231422631444
2002	1.8082067957706442
2003	3.091266330425384
2004	4.191814022350428
2005	3.2751020410409524
2006	1.9037862422913747
2007	3.377615014719268
2008	2.72439335105787
2009	-1.7430579202313368
2010	1.9103468982162752
2011	2.616651612951898
2012	1.1000211907646928
2013	0.17599104838819812
2014	0.7692807038965839
2015	1.165566310972281
2016	1.0209859258375502
2017	0.7568590643357567
2018	1.223625419495832
2019	0.12248115895023659
2020	-4.507571554412252
2021	0.7688103381933189
2022	2.9589746429022483
2023	2.6338689266031565