58% (1999)

35% (2002)

55% (2001)

61% (1999)

65% (2002)

56% (1994)

65% (2007)

62% (1998)

41% (2002)

52% (1999)

45% (2002)

48% (2002)

62% (2002)

70% (2002)

42% (1997)

43% (2006)

56% (2000)

55% (1999)

49% (1999)

57% (2001)