60% (1998)

40% (1984)

80% (1968)

70% (1974)

53% (1996)

57% (2011)

61% (2000)

69% (2009)

61% (2011)

64% (2001)

62% (1990)

60% (1975)

75% (2015)

69% (2000)

67% (1966)

82% (2016)

61% (1991)

25% (1993)

45% (1995)

0% (2008)