Year	annual %
1961	8.226864031327352
1962	8.095237155285687
1963	4.859264087476788
1964	4.841530748345079
1965	7.9973458191644085
1966	4.117689752968843
1967	4.703833710454191
1968	3.365771077514367
1969	1.6790408619666408
1970	46.06107696977435
1971	15.039862198233124
1972	16.94149052228812
1973	17.785854064398606
1974	10.097025170151653
1975	-13.703116104348013
1976	11.844473359336021
1977	1.7643512221334703
1978	-9.905335004625499
1979	6.469760714579607
1980	0.5659632396510972
1981	-2.8925434441771785
1982	-24.43072738356129
1983	-19.945549417561637
1984	-9.032050026645791
1985	-13.852498781148498
1986	11.865678106957319
1987	-10.651212786236684
1988	8.313048226962351
1989	-4.6474322153413254
1990	10.504099562341878
1991	10.52262062752851
1992	0.21417292526884069
1993	-4.487041120531501
1994	-2.2939935852710533
1995	-2.5537772466493323
1996	-0.11976103445435626
1997	-1.5741167407133219
1998	0.2084899914175793
1999	-6.223399490632545
2000	2.989458027546817
2001	-3.619622314035709
2002	-5.1280006877989734
2003	8.70770608238405
2004	5.62717507126105
2005	2.389713669265703
2006	-1.201285108440004
2007	-2.077048158866404
2008	2.232919975382103
2009	-5.657432220348895
2010	1.7248481272164753
2011	8.273244433027699
2012	3.115487474645917
2013	0.38212588742447906
2014	1.733401798276745
2015	2.516886964294642
2016	-0.1473937500942668
2017	-1.3816039419270396
2018	0.7679007788274674
2019	-1.1857505322325181
2020	-4.036197854873919
2021	5.211636341959377
2022	6.13262664715586
2023	-2.2006117530142433