72% (2003)

71% (2005)

62% (2013)

59% (2004)

64% (2004)

64% (2009)

64% (2016)

74% (2007)

57% (2007)

57% (2009)

48% (2011)

50% (2010)

52% (2011)

64% (2012)

30% (2001)

42% (2010)

50% (2001)

51% (2002)

40% (2006)

41% (2004)