46% (2018)

30% (1998)

70% (2007)

61% (2014)

57% (2013)

52% (2005)

58% (1999)

42% (2006)

45% (2017)

66% (2014)

61% (2001)

57% (1965)

62% (1999)

50% (2016)

37% (2007)

68% (2006)

62% (1978)

60% (2017)

37% (2005)

57% (1998)