Year	annual %
1967	13.739897134459955
1968	17.2609819121447
1969	9.156015866020272
1970	12.021802765721207
1971	18.23752027392323
1972	17.729766803840878
1973	18.23154351555167
1974	22.148644949356694
1975	24.44168539854642
1976	25.1031029949394
1977	20.155183830938878
1978	12.575029652437491
1979	46.93656013537243
1980	26.894383845407273
1981	18.09324307355107
1982	19.52130770383331
1983	17.78830989218961
1984	3.6807267383975226
1985	30.432954187983245
1986	27.71914770462629
1987	32.064434183351985
1988	32.83418548191674
1989	32.054718774821566
1990	41.86351235353696
1991	30.078321831095256
1992	40.59059910120846
1993	39.22200680955958
1994	35.34673004745102
1995	33.00780977811221
1996	8.404668747237086
1997	12.851310292442081
1998	10.77751494225349
1999	18.553940470348127
2000	14.797068901792972
2001	34.229267961614624
2002	25.55625038609457
2003	17.968742152358857
2004	13.492868160795119
2005	34.78186496048699
2006	21.495876011428834
2007	20.508125533712963
2008	19.846916679734075
2009	17.71555702382182
2010	25.42692369100242
2011	18.23953206372849
2012	12.48554432558084
2013	9.965542218654997
2014	15.567262883378119
2015	18.809151137133604
2016	3.448067219905864
2017	8.027227793269967
2018	4.487796720130005
2019	9.641209954499097
2020	5.677291562245816
2021	15.499292263208982
2022	11.638303069092332
2023	14.055347043098775