Year	annual %
1961	1.92595161110872
1962	2.01487886339461
1963	2.07899662655224
1964	2.13965084372647
1965	2.21600692082533
1966	2.25352401228011
1967	2.29263788976095
1968	2.34735064349307
1969	2.37891654743303
1970	2.43318262480668
1971	2.41536917407618
1972	2.42939569274321
1973	2.52442123659969
1974	2.51300652866696
1975	2.39328715201941
1976	2.17951743613923
1977	2.08695112645253
1978	1.96337688969092
1979	0.366492805213276
1980	-3.92417169353628
1981	-11.2753243281662
1982	-10.0530062531184
1983	-1.36570774423119
1984	2.89433470700097
1985	2.58769693348811
1986	-0.608560872677256
1987	-1.21019039755447
1988	0.586318311683292
1989	2.75187729340688
1990	0.202433955671883
1991	0.469880406765633
1992	11.5225244151801
1993	14.9644548746872
1994	9.86426206628341
1995	6.04653555233991
1996	4.1030220499493
1997	3.9106052193522
1998	3.88293060489748
1999	4.07787948472197
2000	1.4438030241194
2001	0.742516834396313
2002	6.44932147797304
2003	7.54101896480183
2004	3.93317768847308
2005	3.57650800354462
2006	4.13967803534352
2007	1.79319572747206
2008	2.00233326232255
2009	3.56128837446668
2010	2.89490410370988
2011	3.68950830230738
2012	4.07762772858795
2013	3.46678830410982
2014	3.65757606530364
2015	3.12134122890873
2016	2.58154939895659
2017	2.86649214750073
2018	2.88520797304849
2019	2.90852909268743
2020	3.13474690779163
2021	2.85135765449931
2022	2.53449831666733
2023	2.66562820222961