Year	annual %
1988	2.1125659006226556
1989	3.367510204669742
1990	-6.558927908044566
1991	-8.89154699857096
1992	-10.158987505723942
1993	-14.24735480828599
1994	-22.517186087371854
1995	-11.503569697823295
1996	-9.197963376128499
1997	-2.111948982033425
1998	-1.0194486133663645
1999	0.7452712475604244
2000	6.97135971117342
2001	9.94942700789187
2002	6.344762227044981
2003	10.408813213087598
2004	12.646627172091286
2005	3.829305328634831
2006	8.301133677161914
2007	8.863688463239612
2008	2.7986423495768094
2009	-14.758974657902186
2010	4.5063448241537
2011	5.825146656364183
2012	0.39997015557435134
2013	0.2734960063300207
2014	-4.875249962572951
2015	-9.44383219053168
2016	2.8548026075670236
2017	2.8106454708364055
2018	4.016381776354521
2019	3.7937239117647152
2020	-3.1016585892110697
2021	4.364484613861279
2022	-17.12742416503015