64% (1997)

64% (2011)

60% (1999)

48% (2004)

65% (2005)

66% (1999)

59% (2014)

74% (2003)

60% (2013)

47% (2008)

56% (2005)

62% (1995)

62% (2005)

44% (1993)

44% (2013)

64% (2011)

59% (2010)

56% (2014)

63% (2005)

60% (2005)