69% (2007)

64% (2013)

66% (2009)

60% (2010)

51% (2011)

70% (2011)

65% (2010)

57% (2012)

33% (2016)

65% (2005)

43% (2016)

73% (2021)

57% (2017)

60% (2013)

53% (2020)

53% (2009)

68% (2012)

30% (2008)

40% (2014)

49% (2018)