44% (2004)

57% (2008)

65% (1998)

56% (1998)

56% (1996)

62% (2006)

56% (2007)

58% (2005)

10% (2004)

40% (2002)

35% (2004)

72% (1996)

51% (2004)

55% (2008)

58% (1996)

45% (2005)

52% (2000)

43% (1999)

56% (2004)

80% (1998)