Year	annual %
1981	16.405738980702367
1982	9.663258424711756
1983	11.229776745872527
1984	12.772054823873205
1985	8.930830009156551
1986	13.509284187899311
1987	16.72386665682299
1988	31.09180580259755
1989	22.509486099669914
1990	10.66088552054454
1991	10.692314162780491
1992	13.276424969605259
1993	28.17466011282545
1994	26.171881312568004
1995	77.21960497457417
1996	52.34558811210303
1997	20.8348496673145
1998	19.54847985781055
1999	39.6907697261083
2000	30.533953677205204
2001	25.622469973349155
2002	112.69364910407248
2003	10.346096672330816
2004	14.846626115217916
2005	10.741236815262383
2006	19.967259545060003
2007	4.0997248677262235
2008	11.964667527033043
2009	7.899822950788376
2010	12.127222061322811
2011	13.990237742852102
2012	17.639764474192916
2013	27.046290996150432
2014	20.969281307329865
2015	19.814669259774334
2016	20.292682928734692
2017	10.576923076347427
2018	6.129094001148431
2019	8.235794269045371
2020	8.416069943781991
2021	9.3317157565656
2022	21.7715165604169
2023	29.252083963228102