56% (2008)

64% (1991)

51% (2014)

60% (1976)

67% (2005)

68% (2001)

62% (1979)

52% (1986)

60% (1988)

52% (2009)

39% (1984)

65% (1998)

48% (2016)

60% (2003)

50% (1999)

52% (2010)

70% (2010)

74% (2021)

72% (1993)

37% (2002)