38% (2002)

45% (2004)

68% (1999)

44% (2002)

59% (2012)

57% (2001)

53% (2003)

39% (2003)

58% (2004)

51% (2005)

31% (2003)

62% (2004)

54% (2000)

58% (1999)

50% (1999)

58% (2000)

58% (1999)

40% (1999)

43% (2000)

61% (2001)