Year % change from 1990 1991 4.44839494495795 1992 13.9184086595518 1993 14.9277824036272 1994 9.81054709363125 1995 21.1520729426801 1996 12.0072159729901 1997 19.4764136022608 1998 26.6869312968433 1999 31.6949262341754 2000 60.0836408219959 2001 44.9121949530544 2002 48.4058459446625 2003 52.2808729990387 2004 61.1568981900184 2005 74.2029685932008 2008 77.2570360947037 2009 80.7548902176135