Year	annual %
1985	2.2155326137053493
1986	1.974756757099442
1987	-4.196711301031158
1988	-4.781932165524779
1989	10.961926802693583
1990	3.7142141607737926
1991	1.4105840757241452
1992	2.692820531992041
1993	3.1052034226340908
1994	5.399810084395625
1995	4.435925087954445
1996	4.45896659723843
1997	4.659675818743338
1998	2.0577619120000037
1999	5.434884081591321
2000	4.02996037024738
2001	4.049069614143264
2002	4.286460579671299
2003	4.520220401829221
2004	4.899154763791458
2005	5.555699296458272
2006	6.909167407178856
2007	5.909235648656846
2008	6.164034788219695
2009	5.878548894595198
2010	6.922399324225935
2011	6.474243138474776
2012	6.491281436949947
2013	6.521646656744707
2014	6.153133052922016
2015	5.753411005029022
2016	5.408586404627542
2017	5.26492843977357
2018	4.6465556189840385
2019	3.8924479033244808
2020	-0.9709414377369541
2021	1.0693803181078323
2022	1.2830902927582883
2023	2.328154177790438