59% (2011)

64% (2011)

70% (2006)

67% (2007)

59% (2010)

64% (2007)

59% (2007)

67% (2006)

68% (2008)

55% (2010)

63% (2012)

54% (2014)

62% (2007)

60% (2016)

62% (2009)

64% (2006)

56% (2009)

43% (2014)

54% (2009)

53% (2019)