Year	annual %
1961	2.8114253994075
1962	2.65283412851695
1963	2.54222482865351
1964	2.50510378549847
1965	2.51127008150753
1966	2.49287849562221
1967	2.45829233488979
1968	2.42082186439871
1969	2.37887912354064
1970	2.33106388516473
1971	2.02232294949978
1972	2.40971162645164
1973	1.52853198717111
1974	1.82014795916412
1975	2.31181763519904
1976	2.02350889021151
1977	2.09673230296572
1978	0.587401637333465
1979	0.858731926379591
1980	0.913088830947179
1981	1.21607833480473
1982	0.588566721464479
1983	-0.121166945572642
1984	0.592011151605746
1985	0.811016979877327
1986	0.623397691790536
1987	4.24510817517846
1988	0.373031455343419
1989	0.597440909323117
1990	0.490359665520713
1991	1.33196201246149
1992	0.458917817927268
1993	2.08375833946223
1994	2.66576847259254
1995	1.47017208971374
1996	1.46719302641952
1997	1.17345364830244
1998	1.95568618974172
1999	1.96419636705016
2000	0.892658566766174
2001	0.0874745178458057
2002	3.05738532610948
2003	-1.13151642070391
2004	-0.370334934558794
2005	0.463308214458562
2006	2.0805967352947
2007	0.510514982843497
2008	2.23628271543202
2009	0.39253094807516
2010	2.79232906929128
2011	-2.62865635521684
2012	0.980980190128322
2013	1.84687609296508
2014	1.55539570911507
2015	2.22979505321923
2016	1.33763477950025
2017	1.22403375818123
2018	0.954291917891324
2019	0.887925293341637
2020	0.853707878128979
2021	0.805183391179401
2023	-0.0876274304874622