61% (2017)

58% (2003)

70% (2001)

67% (2012)

61% (2008)

59% (2011)

59% (2006)

52% (2007)

49% (2007)

44% (2008)

57% (2009)

60% (2006)

61% (2009)

57% (2009)

0% (2010)

60% (2010)

0% (2005)