Year	annual %
1990	28.105912393932
1991	23.7132575125834
1992	14.8138855781018
1993	9.49397468566895
1994	8.36062722142472
1995	38.8092293997712
1996	26.6967739975906
1997	17.733691153468
1998	15.7160554430069
1999	15.3190813355821
2000	10.6979645310047
2001	6.47300917877192
2002	5.5023241130699
2003	4.27966722239654
2004	8.11744317174407
2005	5.88498274459207
2006	6.1071543478173
2007	6.12779215497929
2008	6.31038161981667
2009	5.24348244015189
2010	4.37296440049234
2011	5.66963367375268
2012	4.54221493776905
2013	1.70388278647849
2014	4.36836891312464
2015	3.22542892692515
2016	6.07758782303863
2017	6.56759492961866
2018	5.20449997881845
2019	4.25944006146996
2020	4.81896368701644
2021	4.53669254459224
2022	6.442142222158
2023	4.48808673043123