50% (1991)

63% (2003)

0% (1970)

63% (1987)

54% (2009)

10% (2002)

30% (1977)

48% (2010)

40% (1992)

47% (2000)

62% (1973)

65% (2025)

28% (2010)

0% (1991)

55% (1987)

44% (1995)

42% (2009)

50% (1973)

100% (1992)

48% (1997)