63% (2013)

66% (2009)

44% (1995)

63% (2005)

71% (1998)

44% (2011)

56% (2020)

61% (2015)

63% (2012)

72% (2017)

64% (1976)

49% (2009)

58% (1993)

55% (1991)

58% (2012)

62% (2011)

66% (2012)

60% (2014)

53% (2013)

68% (1961)