75% (2006)

67% (2008)

62% (2015)

64% (2007)

64% (2014)

71% (2012)

47% (2014)

37% (2010)

51% (2006)

57% (2016)

56% (2001)

59% (2005)

59% (2012)

50% (2006)

65% (2010)

73% (2015)

61% (2004)

0% (2008)

0% (2007)

42% (2009)