60% (2012)

56% (1986)

52% (1998)

50% (1991)

55% (2010)

56% (2016)

42% (2011)

69% (1984)

51% (2015)

45% (2010)

29% (2017)

52% (1986)

63% (1991)

57% (2014)

55% (1981)

69% (1996)

59% (1993)

40% (1979)

70% (1977)

51% (1998)