46% (1997)

51% (2002)

74% (1992)

0% (1994)

50% (2008)

0% (1961)

80% (1995)

52% (1993)

0% (1990)

0% (1992)

70% (1995)

80% (1993)

60% (1997)

0% (1993)

50% (1997)

0% (1991)

0% (2001)

60% (1991)

0% (1994)

80% (2020)