Year	% change from 1990
1991	4.88995506172922
1992	3.93283607653452
1993	4.78054737657057
1994	5.58736224127114
1995	9.98836570640356
1996	10.6342335080274
1997	14.3762404134649
1998	7.69304288571353
1999	12.1935477073389
2000	112.259785508081
2001	92.8344855305276
2002	95.4421829223081
2003	115.732179408824
2004	74.4190073146685
2005	81.8405146128453
2006	59.3008961462299
2007	74.1083265452172
2008	80.525534634227
2009	81.6134198103018
2010	90.2594051473852
2011	95.6810772491006
2012	100.5548972883
