56% (2013)

60% (2007)

63% (2008)

55% (2014)

43% (2005)

61% (2004)

66% (2001)

40% (2003)

51% (2001)

50% (2005)

54% (2006)

64% (2001)

57% (2004)

58% (2007)

55% (2009)

50% (2011)

60% (2009)

52% (2002)

55% (2016)

59% (2009)