Year	annual % change
1997	-47.02799987792969
1998	-6.377399921417236
1999	16.799999237060547
2000	9.0001916885
2001	-28.9788722992
2002	-2.5
2003	14.9200000763
2004	4.1999998093
2005	11.0993208829
2006	47.9274116523
2007	15.599173553719007
2008	-3.0831099196
2009	40.5650950612
2010	11.662838155650368
2011	-13.4317186587606
2012	-12.0659177445962
2013	-11.5930007864786
2014	-9.27375812264156
2015	-11.4741862074652
2016	-0.97917691171665
2017	5.61191959263116
2018	-8.71965318773621
2019	2.95640038461966
2020	-3.85164471873768
2021	-7.90545174288541
2022	-3.14407443529631