Year	annual %
1991	162.5847396353604
1992	932.4946279068822
1993	53.693606232056624
1994	36.251785210766116
1995	29.322711456101672
1996	12.434266009370631
1997	5.8873341579343474
1998	4.8238249001398685
1999	1.4918482868627052
2000	3.6182272559380095
2001	2.302500751575252
2002	5.072749151157851
2003	5.018107374390723
2004	7.062300621056522
2005	11.199010819183016
2006	12.43355346779984
2007	20.062671016917278
2008	11.662247422827974
2009	-9.653675797370013
2010	-0.36064695497627497
2011	6.523440870856973
2012	3.633999576022589
2013	1.7184194889033932
2014	1.9155880146419975
2015	0.11571247401465712
2016	0.8633924945570755
2017	2.947877208413587
2018	3.8925704722621504
2019	4.255898500876441
2020	2.070821556078357
2021	3.77323708612343
2022	11.801268990446559
2023	5.4086726615681755