44% (2017)

50% (2012)

57% (1987)

45% (1986)

42% (2010)

45% (1995)

39% (2014)

52% (2006)

55% (2012)

42% (1993)

44% (1995)

55% (2014)

45% (1989)

48% (1987)

44% (2010)

50% (2008)

43% (2010)

46% (1995)

44% (1984)

38% (1992)