68% (2003)

67% (2005)

37% (2000)

80% (1998)

40% (2000)

64% (2001)

63% (2004)

61% (2000)

57% (1998)

56% (2008)

48% (1999)

62% (2000)

31% (1998)

62% (1998)

60% (2003)

54% (2002)

57% (2005)

60% (2003)

20% (2004)

59% (2013)