75% (2004)

71% (2015)

51% (2016)

59% (2014)

62% (2008)

65% (2015)

67% (2009)

63% (2013)

63% (2004)

67% (2005)

69% (2008)

60% (2006)

62% (2013)

46% (2000)

49% (2014)

60% (1998)

67% (2010)

44% (2002)

50% (2006)

64% (2002)