Year	annual %
1961	-3.7000939826798174
1962	2.293781859537674
1963	12.710884834948004
1964	-7.3774632646143345
1965	1.8196972427624587
1966	2.577651944577795
1967	1.7858238111395224
1968	7.06852419422863
1969	2.208185447399728
1970	1.569637877475401
1971	6.23640252335214
1972	13.834725205896675
1973	15.495650916076897
1974	59.57720908058286
1975	5.261581042119005
1976	-5.066509246826172
1977	8.57940941126563
1978	10.751800603052075
1979	17.93646660832475
1980	26.569570166286113
1981	10.863899471445777
1982	8.865237697282339
1983	8.436703482180462
1984	7.4636741864806595
1985	8.199524595653898
1986	8.022560895143187
1987	12.914997337376533
1988	10.886457608739747
1989	11.04755809006457
1990	10.583630703006364
1991	8.564279003866687
1992	5.355399289815253
1993	9.220217956230428
1994	6.555430511224188
1995	5.403201463910705
1996	7.0020427805700365
1997	5.120769241284279
1998	6.963579516523268
1999	6.571912343553905
2000	3.4099293453386963
2001	6.232012515473116
2002	6.219284188942979
2003	5.623192590544562
2004	6.84544976034816
2005	3.9480996996314133
2006	9.567884010643695
2007	8.308315279286589
2008	5.68669282209342
2009	-0.6542008418403498
2010	1.126418920244987
2011	3.1614637980007956
2012	2.4655235524320744
2013	4.134331895049954
2014	2.1683040492601435
2015	1.399530742658655
2016	2.384632040873342
2017	1.6365056759451733
2018	1.6753891691159168
2019	-0.46584287384825984
2020	2.573040445058993
2021	3.1572003509057254
2022	9.56592045515518
2023	6.680735089468229