64% (2011)

63% (1995)

60% (2013)

66% (2005)

59% (2014)

56% (2005)

64% (1997)

64% (2011)

56% (2005)

62% (2005)

66% (1999)

34% (2000)

60% (1999)

49% (2004)

60% (2005)

55% (2000)

45% (2013)

59% (2010)

35% (2011)

46% (2008)