74% (2006)

72% (2007)

75% (2004)

56% (2014)

53% (2012)

71% (2011)

66% (2009)

66% (2005)

37% (2004)

57% (2008)

71% (2010)

61% (2001)

64% (2008)

44% (2004)

53% (2011)

60% (2003)

59% (2006)

66% (2006)

59% (2017)

40% (2009)