76% (2001)

80% (2015)

0% (1998)

67% (1987)

78% (2016)

0% (2001)

75% (2005)

30% (2011)

59% (2017)

76% (2000)

76% (2012)

60% (2017)

47% (1996)

20% (2017)

70% (1994)

20% (2003)

37% (1997)

0% (1991)

81% (2006)

46% (2000)