69% (1993)

64% (1995)

65% (1993)

65% (2001)

67% (2004)

62% (1990)

68% (1996)

75% (2002)

60% (1996)

70% (1997)

72% (2000)

57% (2002)

73% (1994)

58% (2000)

40% (1998)

80% (2020)

0% (2022)