51% (2017)

10% (2014)

74% (1988)

70% (1991)

66% (2002)

75% (1986)

42% (2008)

82% (2003)

71% (2004)

57% (1999)

40% (1988)

40% (1990)

62% (2000)

90% (1986)

50% (1988)

0% (1987)

48% (2001)

35% (2005)

50% (1997)

0% (1970)