Year	%
2001	1.18
2002	0.97
2004	1.01
2005	1.17
2006	1.02
2007	0.69
2008	2.03
2009	1.66
2010	1.43
2011	0.84
2012	0.42
2013	0.66
2014	0.5
2015	1.16
2016	1.65
2017	0.95
2018	0.71
2019	0.63
2020	0.79
2021	0.91