Year	annual %
1991	-9.56513469795587
1992	-9.520083280242531
1993	-26.001991844476493
1994	-8.409409712100413
1995	-0.9215991293731918
1996	-8.472007488683658
1997	0.6503391878132163
1998	2.5878704040183322
1999	-1.1242187060698257
2000	3.4255969299951516
2001	9.701904400117556
2002	8.612892546187538
2003	11.30091731752178
2004	12.394797733184149
2005	20.394399563802395
2006	16.157271778278655
2007	17.67651309142721
2008	12.826382363400228
2009	-15.241264893514725
2010	7.368758914662905
2011	15.950173150299605
2012	8.421169083788783
2013	6.768019716502579
2014	-7.471909422563243
2015	-19.336134875686554
2016	3.094565140980592
2017	9.807791643772973
2018	9.873771126909332
2019	11.57230872688568
2020	2.354372295705474
2021	7.734370074904433
2022	-13.625898261626332