Year	annual %
1986	6.18477854456934
1987	8.15234253800871
1988	9.31063652987074
1989	8.27501608751592
1990	6.60022564874018
1991	8.59264760490192
1992	9.48654250617163
1993	7.91707419362654
1994	34.6496361508324
1995	16.4335034524163
1996	7.19164660433344
1997	6.870639276161469
1998	6.4652262970862395
1999	3.8123720536602
2000	4.16540442290284
2001	5.077450455224955
2002	4.37875971780873
2003	5.2277338613968
2004	4.107035939554025
2005	7.7974978178644
2006	6.69526465773354
2007	5.995907558763685
2008	10.28768479211945
2009	4.56150687670983
2010	3.97655288478168
2011	6.4293968107234
2012	6.44121280934117
2013	4.63161619729461
2014	3.305037625529825
2015	3.4027432773718846
2016	4.6646623581020545
2017	4.97595150553892
2018	2.96760366004456
2019	2.3775873278977553
2020	3.398629285188555
2021	4.22278962033194
2022	8.777214547242174
2023	7.254894332064175