68% (2001)

61% (2014)

57% (2010)

56% (2009)

62% (2019)

70% (2021)

74% (1971)

51% (2016)

67% (2014)

60% (2014)

43% (1993)

66% (1986)

63% (1979)

56% (1986)

58% (2020)

55% (2012)

60% (2008)

62% (2014)

41% (2006)

62% (2006)