66% (2005)

59% (2013)

68% (2003)

38% (2000)

54% (2003)

56% (2007)

64% (2001)

62% (2000)

48% (1999)

63% (2004)

80% (1998)

60% (2003)

61% (2000)

61% (1998)

60% (2003)

50% (2001)

53% (2002)

31% (1998)

59% (1998)

20% (2004)