Year	annual %
1961	1.1052698519488844
1962	0.9131033487082659
1963	0.8102641007494696
1964	0.6944572957524837
1965	0.57962557238339
1966	0.45221442591087047
1967	0.3111510992404902
1968	0.17406024586069052
1969	0.05455886986863992
1970	-0.06183083525730002
1971	-0.09591701518967709
1972	0.007062744924331849
1973	-0.06653930966764143
1974	-0.1440798436286809
1975	-0.20697482665463346
1976	-0.2761749055139383
1977	-0.3492621310809204
1978	-0.42658894578445616
1979	-0.49149082527822996
1980	-0.52501720514637
1981	-0.2960702683046842
1982	0.3827313537646622
1983	0.38138240728575307
1984	0.33461395751920553
1985	0.24781518381236345
1986	0.1534828332621258
1987	0.0736260995083295
1988	-0.023636169431089538
1989	-0.1415691409873895
1990	-0.25681759098694273
1991	-0.36347198307151496
1992	-5.677973947155263
1993	-8.617170467056944
1994	-5.2095345466179
1995	-0.8383563363607778
1996	3.5763109537690565
1997	2.988464383658869
1998	1.113309825733851
1999	0.37757980552541404
2000	0.08687421049311843
2001	-0.17432317038985348
2002	-0.4701146163373323
2003	-0.9056960064335371
2004	-1.5450675323969658
2005	-1.74325186802055
2006	-1.4556853801795977
2007	-1.8191663512271194
2008	-2.1995070663815066
2009	-2.2594293967258117
2010	-2.3182647649060693
2011	-2.388488590394982
2012	-2.4491113836285843
2013	-2.1548774948101874
2014	-1.8955002931374132
2015	-1.9459814772849966
2016	-1.892546115331002
2017	-1.868080338386228
2018	-1.8770445520540653
2019	-1.9049593782098215
2020	-2.0366644972684975
2021	-2.2382862951684053
2022	-1.9764496607604345
2023	-1.560790875020324