Year	Percent
1992	103.81511
1993	88.3854
1994	76.00694
1995	65.69461
1996	62.72953
1997	80.74292
1998	90.33775
1999	80.77232
2000	90.5681
2001	76.88082
2002	77.41183
2003	74.26451
2004	81.08583
2005	84.18815
2006	89.83407
2007	104.10695
2008	109.72543
2009	82.76464
2010	93.82115
2011	109.63199
2012	108.13258
2013	100.93038
2014	107.46594