62% (2010)

67% (2008)

76% (2010)

65% (2011)

62% (2014)

64% (2013)

63% (2012)

57% (2015)

64% (2006)

54% (2005)

54% (2012)

52% (2003)

53% (2011)

63% (2017)

55% (2011)

42% (2003)

52% (2008)

62% (2009)

36% (2001)

35% (2004)