68% (1988)

55% (2004)

61% (1998)

71% (1993)

72% (2022)

64% (1990)

59% (2017)

70% (2002)

66% (2000)

72% (2003)

64% (1994)

61% (2014)

72% (1997)

67% (2006)

55% (1984)

0% (1985)