Year	annual %
1981	11.0446452083976
1982	7.65925517582574
1983	5.319606129724085
1984	5.99195111048444
1985	2.35321528424928
1986	5.87504099546662
1987	3.31891025641053
1988	4.07407407407384
1989	4.55516014234884
1990	4.50205462895843
1991	6.80877887943634
1992	3.94771176824031
1993	5.32128128555195
1994	3.790990073244835
1995	5.727751363355585
1996	4.471272241294205
1997	6.5054871826909
1998	2.57985257985245
1999	3.29611089718909
2000	4.01848952508763
2001	3.41478946111596
2002	2.80115505180747
2003	2.313985957235385
2004	3.12226204699354
2005	3.00796652450313
2006	3.428885298995365
2007	5.008766955227236
2008	8.911481957688686
2009	2.6558020584776347
2010	2.95220406692777
2011	4.237455032540716
2012	4.039323561390519
2013	3.0402890792171497
2014	1.34186494340157
2015	1.10054826378929
2016	0.573948019802681
2017	1.76041559180596
2018	2.4527334265002647
2019	1.374363380325015
2020	1.207976397419206
2021	2.41080198403165
2022	7.93092925430087
2023	5.09396758978883