Year	% change from 1990
1991	-18.3588994748415
1992	-9.21761977711403
1993	-15.029754204765
1994	-12.2293646909452
1995	-4.70196918464472
1996	-1.65262469003294
1997	-1.37658074071503
1998	117.725438781522
1999	48.3790171371748
2000	64.4615021850552
2001	34.9541584810473
2002	56.5247125522787
2003	51.554189953974
2004	7.29101895810953
2005	139.227038165618
2006	32.3478331237512
2007	44.5905517731395
2008	102.636513446399
2009	77.8943917893394
2010	68.3645700045754
2011	69.7256099008908
2012	71.0023705952375