48% (1999)

48% (2016)

40% (1991)

0% (1988)

66% (1991)

65% (1991)

60% (1994)

55% (1968)

38% (2008)

59% (2004)

69% (1987)

65% (2009)

42% (2015)

60% (1991)

57% (2007)

48% (2007)

62% (1993)

0% (1992)

58% (2007)

42% (1980)