74% (1998)

62% (2014)

0% (2006)

80% (2017)

66% (2001)

30% (2000)

10% (2008)

68% (2007)

55% (2009)

82% (2016)

68% (2012)

0% (1999)

72% (2006)

70% (2015)

58% (2009)

0% (2005)

65% (2009)

63% (2016)

62% (2011)

53% (2009)