64% (2011)

59% (2014)

66% (1999)

56% (2005)

63% (1995)

64% (1997)

66% (2005)

56% (2005)

62% (2005)

64% (2011)

48% (2004)

60% (1999)

45% (1993)

60% (2013)

59% (2010)

55% (2005)

55% (2000)

45% (2013)

45% (1994)

55% (2014)