Year	annual %
1991	-1.25756053698392
1992	1.15661645146719
1993	-2.70135992447942
1994	-1.81463093923287
1995	0.808370352179196
1996	1.99932863183932
1997	0.836057969568088
1998	0.984572886575876
1999	0.426872997447035
2000	-0.33482509510246
2001	2.80130965460512
2002	4.90346713111045
2003	3.44247637449786
2004	3.96466218892397
2005	3.67840067182563
2006	5.79747952176959
2007	3.59078344718439
2008	3.24232113215386
2009	2.46009485518113
2010	3.21479696251987
2011	2.83822901360702
2012	2.70835457857955
2013	2.27135231332451
2014	5.16331774229843
2015	2.72662086893082
2016	0.961303370845258
2017	1.22474737021352