Year	annual %
1981	12.1673943487938
1982	12.0597652081337
1983	9.3554650798615
1984	9.54306957454694
1985	10.4714081120526
1986	3.184883887649775
1987	5.62312627382231
1988	11.6905868876763
1989	8.046158634873201
1990	6.077325404129445
1991	8.99693873494331
1992	9.56041187600816
1993	9.67934658067928
1994	25.1778762249963
1995	16.4335034524163
1996	7.83063091721076
1997	5.02931986431365
1998	4.816174609320216
1999	1.6661053242610575
2000	3.6073112329965253
2001	4.24905518796216
2002	3.30012175283749
2003	6.48943208673338
2004	3.99438400815971
2005	8.44872642299532
2006	7.31067613561864
2007	7.9286638492638
2008	11.67798271549525
2009	5.00627361534043
2010	4.39741383150071
2011	7.6228226284852
2012	6.83178703418548
2013	5.61162933815824
2014	3.74052951571967
2015	4.37712665065654
2016	5.70637504616212
2017	8.156863234033715
2018	3.439469029975895
2019	2.80270307928106
2020	4.332968747117086
2021	5.035807681652916
2022	9.95043894711641
2023	9.87432675044888