Year	annual %
1961	4.838904783691968
1962	4.873551315505982
1963	4.983570351801299
1964	5.238709017721009
1965	5.245917446678567
1966	5.2376189782379745
1967	5.226005515116857
1968	5.214191786157239
1969	5.159049282027741
1970	5.133186047513008
1971	5.072938991284719
1972	5.0213069279544875
1973	4.993427358325355
1974	4.955532911104896
1975	4.043361540820268
1976	3.3177092042259715
1977	3.3485959293846306
1978	3.418954637742138
1979	3.4311478174657224
1980	3.4587288107086493
1981	3.4750468442040168
1982	3.493847243146915
1983	3.566530078908603
1984	3.6240843412262906
1985	3.6338686781671057
1986	3.4829323887812484
1987	3.403283993364861
1988	3.4176666259112984
1989	3.211477422296375
1990	4.621976775103163
1991	1.9111502426918507
1992	-1.0658015566488321
1993	0.5577705620888407
1994	1.1430370839457695
1995	0.9036102412887249
1996	1.2245034610417023
1997	2.001723497716798
1998	1.697556203614373
1999	1.2446052231850684
2000	3.086418140844553
2001	6.459611628750142
2002	6.335839023852803
2003	4.689846189130064
2004	4.021307837892697
2005	3.5535789713413215
2006	3.2351108061045215
2007	3.232099889768441
2008	3.54633895708249
2009	3.752993791836584
2010	3.7948278239791264
2011	3.696691448204553
2012	3.628716358613937
2013	3.552432158304289
2014	3.477426003162809
2015	3.3858035667917217
2016	3.3919855800728564
2017	3.4059046687374828
2018	3.3660310294677447
2019	3.347745277132548
2020	3.3270717050982723
2021	3.2823802919501723
2022	3.226821588015336
2023	3.195554815307978