Year	annual %
1991	99.29542273305032
1992	199.85889560954917
1993	51.09105389647718
1994	37.23403480939098
1995	27.937647830207496
1996	17.9523422828688
1997	9.922472833000896
1998	8.17760236408833
1999	6.164509525373504
2000	5.565267655385213
2001	5.121487516476208
2002	3.937822522219264
2003	4.300378730156297
2004	4.91662799719515
2005	3.1159149799510004
2006	3.8802139303624585
2007	5.443677216665833
2008	5.510945936656157
2009	2.9797545815013535
2010	0.9299604239289039
2011	3.1160638782640007
2012	2.224247726453882
2013	1.3647047378245247
2014	1.3407833399348874
2015	1.005043485340451
2016	1.1414506012034735
2017	2.947877208413587
2018	3.527174275347562
2019	3.6059479765011275
2020	2.3708060097012975
2021	5.260960040300631
2022	11.801268990446559
2023	8.555310340334032