29% (2008)

45% (2000)

44% (2004)

68% (2000)

45% (2005)

40% (2002)

35% (2000)

70% (1998)

54% (2000)

43% (2000)

40% (2002)

36% (2003)

33% (1999)

52% (2005)

40% (2006)

63% (2000)

57% (2002)

60% (1998)

51% (2008)

38% (1998)