56% (2007)

59% (2015)

43% (2005)

60% (2011)

62% (1991)

0% (2010)

55% (2004)

57% (1994)

0% (2014)

50% (1997)

55% (1987)

60% (2010)

0% (2004)

0% (2002)

60% (1988)

55% (2010)

60% (2010)

55% (2010)

50% (2004)

0% (1970)