Year	annual %
1990	2.56440413901143
1991	2.90457098674266
1992	1.67726959120064
1993	0.528410642290368
1994	0.186808629280137
1995	-0.523458983689423
1996	-0.445775393242101
1997	0.504460814273827
1998	-0.0266802470249985
1999	-1.24105134726258
2000	-1.33626008998714
2001	-1.08487984815201
2002	-1.39097861535799
2003	-1.60770370751224
2004	-1.12476639985243
2005	-1.19401768056427
2006	-0.862018389228027
2007	-0.705243547499791
2008	-0.911530288285164
2009	-0.569564924624345
2010	-1.88074194993916
2011	-1.62208025009267
2012	-0.75609311955516
2013	-0.354375054330276
2014	1.68629478626674
2015	2.111298993275
2016	0.419944376057273
2017	-0.0743495037290671
2018	-0.00023750638760589
2019	0.63480316569607
2020	0.941449700794308
2021	-0.19006062486126
2022	0.333979877221765
2023	3.75261232319188