Year	% change from 1990
1991	3.50766651735517
1992	2.72255803808263
1993	4.33766690106225
1994	4.36138073951349
1995	4.71555580446004
1996	8.79249477639559
1997	5.06448246191467
1998	1.15535041597827
1999	-2.55957228735529
2000	-1.84800833761275
2001	-1.87802685841906
2002	-2.75834887158505
2003	-1.38711253518089
2004	-1.38671826978489
2005	-3.28975803772268
2006	-5.6579026696307
2007	-6.95869360120939
2008	-8.64567301590918
2009	-10.0609409213512
2010	-5.3680832799178
2011	-10.8365267723289
2012	-12.7387038566667