62% (2005)

67% (2004)

68% (2003)

55% (2005)

60% (2003)

41% (2005)

46% (1999)

71% (2011)

61% (2013)

47% (1997)

61% (1998)

58% (2001)

50% (2003)

56% (2000)

55% (1998)

39% (1994)

53% (2000)

50% (1998)

60% (2006)

70% (1998)