68% (1999)

66% (1999)

72% (1996)

51% (2000)

73% (1995)

69% (1998)

44% (2009)

58% (2000)

51% (1996)

60% (1999)

66% (1999)

57% (2001)

47% (2002)

61% (2002)

48% (1995)

57% (1999)

61% (2000)

51% (2004)

55% (1999)

80% (1930)