70% (2006)

51% (1998)

75% (2005)

55% (1991)

70% (1994)

73% (2001)

79% (2014)

81% (1988)

0% (1990)

60% (1989)

60% (1995)

60% (2005)

100% (2016)

83% (1999)

60% (2015)

0% (1981)

80% (2015)

78% (2006)

44% (2017)

69% (1981)