43% (2017)

50% (2012)

43% (2010)

45% (1986)

49% (1987)

57% (1987)

45% (1995)

53% (2014)

43% (1989)

56% (2012)

50% (2008)

37% (2015)

40% (1992)

43% (2010)

40% (2014)

42% (1993)

42% (1984)

60% (2013)

46% (2010)

43% (1995)