67% (1995)

58% (2000)

70% (1994)

57% (2019)

64% (2009)

76% (2005)

61% (2003)

72% (2003)

61% (1992)

61% (2002)

71% (1993)

48% (2005)

61% (1995)

64% (2004)

60% (2001)

59% (1999)

55% (2002)

62% (1998)

46% (1999)

52% (2000)