Year	annual %
1961	2.1454276470928733
1962	2.799178761863338
1963	4.310429842904838
1964	2.751034348151805
1965	2.8739015963822467
1966	3.091316197618731
1967	3.001006796957533
1968	2.5750978728522185
1969	3.3383671379969257
1970	4.2702198415023815
1971	5.922593680680343
1972	6.85316088357466
1973	15.168036029143238
1974	24.14648096530646
1975	10.191238508587723
1976	10.566288837780291
1977	12.337917136961352
1978	8.826450626120135
1979	15.728043207161392
1980	21.635692188966658
1981	10.32108447155909
1982	7.94971663537379
1983	8.436703482180462
1984	7.99999984199485
1985	8.0000001494178
1986	7.140074970018475
1987	9.363920635830091
1988	9.410461297807323
1989	9.149527581561244
1990	15.467163435875115
1991	25.36847511219709
1992	18.487354814741295
1993	14.845108068601874
1994	18.705704578539354
1995	11.5539999091651
1996	9.687741961214797
1997	7.729023411844111
1998	8.036938990767176
1999	6.453276036898274
2000	7.779610313147046
2001	5.381665409999066
2002	4.964527146194072
2003	5.785013689934004
2004	7.86649402192424
2005	6.84725769988755
2006	8.508126618192648
2007	7.105433165559646
2008	9.499909604461351
2009	3.32987152335037
2010	6.945331927968979
2011	6.791649677149181
2012	4.759601389546475
2013	2.8609742286394066
2014	2.721194710753913
2015	2.1697521169532337
2016	2.63616761998928
2017	4.232681975223599
2018	3.7406538308698742
2019	2.429513258725862
2020	2.4484161332158436
2021	6.003973221362074
2022	8.570281953223201
2023	4.735828043271326