57% (1986)

69% (2014)

61% (1993)

60% (2017)

62% (2005)

55% (2015)

54% (2014)

54% (1987)

55% (1987)

51% (1991)

61% (1996)

60% (1997)

58% (2014)

70% (1998)

42% (1988)

20% (1987)

0% (1985)

0% (2009)

43% (1987)

0% (1987)