53% (2010)

63% (2012)

61% (2011)

62% (2013)

58% (2009)

65% (2012)

53% (2014)

68% (2006)

48% (2011)

63% (2006)

53% (2010)

60% (2014)

60% (2004)

44% (2014)

56% (2003)

80% (2020)