75% (2004)

71% (2015)

64% (2010)

64% (2013)

62% (2014)

69% (2008)

53% (2016)

44% (2002)

46% (2000)

62% (2008)

69% (2005)

64% (2002)

62% (2013)

63% (2004)

49% (2014)

60% (2003)

67% (2009)

61% (2011)

67% (2010)

55% (2012)