Year	annual %
1961	2.502288189736518
1962	0.05375244307772675
1963	0.6858173449817428
1964	3.8486152844950112
1965	1.473566329684715
1966	6.563706563706575
1967	11.727693653040077
1968	3.3106244875947084
1969	5.452230541601239
1970	0.05862182151193451
1971	4.223662157021863
1972	6.363188549623217
1973	25.434317854629924
1974	25.447625322551744
1975	15.469143574133184
1976	7.714603946269079
1977	37.25347690965279
1978	12.303954743282546
1979	13.025974106203435
1980	13.053545786589908
1981	18.5131161848133
1982	6.659119448360755
1983	5.187444494356711
1984	3.6202723253319533
1985	1.585462274109048
1986	4.583562645440779
1987	8.684229386465091
1988	0.21649544051700786
1989	5.500837694901861
1990	7.471990399794137
1991	4.8266563646224085
1992	2.5354064319738114
1993	-1.1951831262741734
1994	2.370296915906735
1995	1.3115069969390305
1996	3.5652587614733307
1997	1.358841760136869
1998	3.2110019999290955
1999	1.8172958525780558
2000	7.761714790013087
2001	6.119229850113996
2002	0.20688509036888547
2003	-2.17349074233006
2004	3.7472262139151695
2005	2.9035843927580913
2006	3.7022730777342048
2007	7.326412064787149
2008	2.258122363041039
2009	-1.1439072378428818
2010	5.58059737402084
2011	-0.31890448565958707
2012	1.092741855665878
2013	2.242181276841521
2014	-0.4446311906056053
2015	-0.7319738298601095
2016	-0.593519522361845
2017	2.1715435302071597
2018	1.5485473318384493
2019	2.3124706156464185
2020	-0.8669508602416585
2021	-0.39244795529681653
2022	3.404040914102609
2023	4.0331441445467675