69% (2014)

61% (1993)

60% (2017)

55% (1987)

56% (2015)

62% (2005)

54% (2014)

58% (2014)

51% (1991)

54% (1987)

70% (1998)

60% (1997)

42% (1988)

43% (1987)

0% (1987)

61% (1996)

0% (2012)

20% (1987)

20% (1988)

0% (2006)