Year	annual %
1961	-0.3597122302158252
1962	10.108303249097474
1963	33.11475409836065
1964	41.379310344827594
1965	27.003484320557504
1966	31.550068587105613
1967	53.8060479666319
1968	28.067796610169506
1969	20.910534674430902
1970	20.840630472854656
1971	8.69565217391303
1972	110.00000000000001
1973	74.60317460317462
1974	54.54545454545453
1975	152.94117647058823
1976	353.48837209302326
1977	227.17948717948718
1978	172.57053291536053
1979	187.40655549166186
1980	91.75670268107243
1981	82.58034223706177
1982	165.28559590822073
1983	395.92425841752646
1984	654.965618796506
1985	428.15194683172723
1986	113.01532316698393
1987	163.14248715620207
1988	442.8057058996112
1989	2235.181906445822
1990	1113.2724058892823
1991	141.33704031340832
1992	62.48625438550558
1993	46.48082500805672
1994	17.64027016918575
1995	-2.805550863503065
1996	18.82056055434895
1997	25.534737814925602
1998	10.488092941001609
1999	4.085589658959204
2000	1.531033633124493
2001	-19.43621848168313
2002	19.70885389263779
2003	29.6348527788152
2004	21.427310490081517
2005	21.513918560906045
2006	20.262735095163265
2007	24.465625611123677
2008	8.064699994431406
2009	16.99991626992067
2010	33.778044239220186
2011	25.70053838467594
2012	34.901833418513775
2013	27.026372043883935
2014	29.846227187700684
2015	39.450227896351294
2016	41.58406089132423
2017	30.119429186637515
2018	47.406779996511375
2019	25.826827290024212
2020	66.44278978529086
2021	51.265128057539535
2022	84.9460127500637
2023	156.42968360433542