43% (2017)

57% (1987)

42% (1993)

42% (2010)

50% (2012)

43% (2010)

40% (2014)

37% (2015)

44% (1986)

56% (2012)

45% (2010)

49% (1987)

43% (1995)

42% (1984)

50% (2008)

55% (2014)

39% (1992)

43% (1989)

45% (1995)

52% (2006)