49% (2003)

79% (1999)

50% (1980)

39% (2001)

66% (2008)

72% (2001)

53% (2018)

48% (1976)

30% (1991)

61% (1986)

67% (1996)

0% (2006)

66% (1994)

77% (2002)

76% (1995)

78% (1998)

62% (1994)

60% (2013)

71% (2007)

67% (1993)