52% (2005)

61% (2007)

67% (2003)

54% (2008)

62% (2013)

58% (2004)

56% (2006)

68% (2004)

70% (2007)

64% (2015)

53% (2016)

33% (2003)

51% (2005)

60% (2014)

44% (2008)

61% (2010)

46% (2008)

58% (2005)

60% (2015)

43% (2008)