68% (2002)

52% (2005)

62% (2019)

64% (2021)

74% (1992)

64% (1990)

60% (1993)

53% (1991)

44% (1997)

69% (2006)

67% (1994)

50% (1992)

63% (2001)

52% (1999)

57% (1994)

57% (2008)

70% (2006)

61% (1999)

50% (1994)

70% (1997)