Year	annual %
1961	-0.5571391188017596
1962	-0.5741903691745797
1963	-0.5345537438913419
1964	-0.4550745920394098
1965	-0.4416492580900604
1966	-0.5178309450019127
1967	-0.5802878220589809
1968	-0.6868329835617449
1969	-0.7590814435552334
1970	-0.8056604312202623
1971	-0.8804671386167263
1972	-0.25552393089258
1973	0.098724348541685
1974	0.07444535001969434
1975	0.013918538873048404
1976	-0.08790148751099977
1977	-0.16255015102808337
1978	-0.23145973354118335
1979	-0.3021077070650301
1980	-0.38577185669919356
1981	-0.47222437091836145
1982	-0.0737824593526496
1983	0.09667491905529428
1984	0.08269469423874712
1985	0.08920476467485879
1986	0.06572292940391272
1987	0.07043525440114516
1988	0.10852223781082114
1989	0.13516768933981177
1990	0.1438343566621431
1991	0.12931978240016606
1992	-0.04026278361364946
1993	-0.11943342826764342
1994	-0.1605249938418919
1995	-0.17963472948264314
1996	-0.15344992365871607
1997	-0.1289786088678123
1998	-0.153440907623945
1999	-0.1657304426629194
2000	-0.1375785580782401
2001	-0.12704909085322907
2002	-0.1571930405945641
2003	0.07901127560995037
2004	0.28034535273654443
2005	0.12630074413952916
2006	-0.06586450635567778
2007	0.13715722407018888
2008	0.2933372812570228
2009	0.08825948241356876
2010	-0.0642725027059403
2011	-0.19810356116262565
2012	-0.4939175689057377
2013	0.21277441028766955
2014	-0.03150587509461577
2015	-1.0544773758011792
2016	-1.1273065551820367
2017	-1.1131834652237587
2018	-1.1796699893666402
2019	-2.1661977763162272
2020	-1.5278909140109134
2021	-1.5813091949035967
2022	-1.417780158845989
2023	-1.4258132801111827