45% (1989)

44% (2017)

57% (1987)

50% (2012)

49% (1987)

45% (1986)

55% (2014)

39% (1991)

42% (2010)

44% (1984)

33% (1994)

39% (2014)

43% (2010)

38% (2015)

46% (1995)

42% (1993)

52% (2006)

55% (2012)

44% (2010)

38% (1992)