Year	annual %
1961	1.2820037383531075
1962	1.3209477901001998
1963	1.3324551180076751
1964	1.575337674176578
1965	1.6245098561055227
1966	1.1906245438875958
1967	1.0055870232821735
1968	1.0997614324412046
1969	1.0969070009392106
1970	1.0805001993341012
1971	1.4870686795768313
1972	1.8400850717267492
1973	2.0915331133220243
1974	2.2902519952298297
1975	2.28570867089548
1976	2.272035825309188
1977	2.2575307386577936
1978	2.27421588663238
1979	2.266613276506258
1980	2.2547445643245534
1981	2.271289708206539
1982	2.2735724831876225
1983	4.795356980520929
1984	8.364437725164317
1985	8.338067060363933
1986	8.444976525888952
1987	7.5548157269553124
1988	4.364936324914966
1989	3.6502692798016585
1990	6.821537545130087
1991	8.25716640460156
1992	7.611500520137721
1993	5.90420536094772
1994	3.238370688427139
1995	3.832524173708962
1996	3.2529798202565026
1997	3.5879802674470196
1998	2.7277174637242485
1999	3.388535460702649
2000	5.197222504857601
2001	5.250044121087809
2002	5.232907860616411
2003	5.251500034428591
2004	5.3181600932797135
2005	5.3808126995382315
2006	5.448940136794088
2007	5.489093825491837
2008	5.483132248030307
2009	5.319444622004734
2010	6.017857449146836
2011	6.257278785991296
2012	5.400125248682261
2013	4.790527746416568
2014	2.100343262497716
2015	1.0366054667867062
2016	0.11328199284413301
2017	-2.433886937420459
2018	-1.1166216643288405
2019	1.9396799259992652
2020	3.0026421099118057
2021	2.877831900758825
2022	3.127898076235383
2023	3.256862447928683