60% (2006)

56% (2011)

64% (2004)

61% (2001)

66% (2000)

72% (2013)

68% (2010)

65% (2009)

63% (2006)

63% (2007)

68% (1985)

55% (2017)

68% (2011)

65% (1988)

75% (1997)

74% (2011)

65% (2020)

60% (2019)

65% (2020)

65% (2023)