Year	annual %
1991	15.816767637431568
1992	19.700089386374287
1993	-17.885384366890506
1994	-10.443453413014964
1995	5.390715633073981
1996	13.984732855475897
1997	2.439457331773525
1998	21.725287301513774
1999	-6.99905309256053
2000	-7.897025238055477
2001	-7.378907687071234
2002	-2.6133560050307096
2003	18.654168359165396
2004	16.027331737768577
2005	10.596856220869896
2006	-34.14235422063166
2007	65.03141284973171
2008	2.2734256851672683
2009	0.7807896031718968
2010	1.328417711226109
2011	4.775774126448937
2012	-3.7047816496875328
2013	30.578967693983856
2014	27.43535876372563
2015	12.25833354744401
2016	-5.39625021553222
2017	1.7228409368477315
2018	7.058984291334298
2019	-2.599849809778462
2020	2.4645525421040873
2021	-3.03440911740293
2022	4.883025096276626