50% (2001)

62% (2009)

42% (1991)

55% (1992)

64% (2019)

65% (1979)

34% (1998)

57% (2000)

58% (1962)

51% (2003)

65% (1974)

65% (1977)

59% (1982)

55% (2003)

63% (1999)

56% (2005)

60% (2000)

50% (2014)

72% (1993)

40% (1998)