69% (2007)

57% (2012)

64% (2013)

66% (2009)

60% (2010)

69% (2011)

65% (2005)

68% (2012)

65% (2010)

73% (2021)

43% (2016)

69% (2012)

53% (2020)

48% (2016)

57% (2017)

53% (2009)

51% (2011)

40% (2001)

60% (2013)

33% (2016)