72% (2019)

60% (2018)

62% (1996)

70% (1988)

0% (1994)

67% (1996)

60% (1995)

70% (1993)

70% (1997)

75% (1996)

75% (1986)

74% (1994)

50% (1995)

75% (1996)

65% (1990)

0% (1990)

50% (1997)

70% (1991)

85% (1995)

80% (2005)