67% (2006)

64% (2009)

57% (2008)

63% (2012)

64% (2006)

60% (2014)

56% (2012)

54% (2005)

63% (2015)

45% (2001)

61% (2012)

70% (2006)

67% (2008)

46% (2019)

63% (2017)

54% (2013)

69% (2007)

79% (2019)

73% (2024)

0% (1970)