67% (2014)

62% (2017)

64% (2011)

68% (2021)

61% (2018)

54% (2011)

67% (2020)

43% (2012)

63% (2010)

56% (2009)

54% (2010)

49% (2007)

60% (2009)

64% (2011)

48% (2005)

52% (2011)

62% (2006)