75% (1988)

10% (2014)

51% (2017)

62% (2000)

75% (1986)

90% (1986)

39% (2008)

40% (1990)

59% (1999)

34% (1988)

66% (2002)

71% (2004)

50% (1988)

0% (1987)

81% (2003)

30% (1988)

70% (1991)

0% (1970)

40% (2001)

35% (2005)