50% (2018)

55% (2011)

62% (2014)

60% (2017)

36% (2010)

70% (2012)

50% (1970)

0% (1987)

31% (1989)

46% (2000)

70% (1974)

0% (2000)

57% (1991)

66% (2000)

54% (2016)

68% (1980)

60% (2014)

70% (1993)

45% (1998)

62% (1980)