61% (1998)

67% (2009)

75% (2013)

20% (2008)

53% (2007)

68% (2009)

51% (2006)

50% (2005)

53% (2011)

72% (2004)

41% (2003)

78% (2012)

56% (2009)

61% (2011)

50% (2011)

0% (2007)

59% (2004)

80% (2017)

74% (2012)

59% (2009)