61% (1988)

51% (1979)

51% (2007)

55% (1960)

49% (1996)

60% (1994)

57% (1977)

37% (1988)

60% (1962)

55% (1977)

42% (2005)

65% (1964)

52% (2013)

53% (2011)

60% (2000)

69% (2022)

59% (2015)

53% (1969)

55% (2010)

60% (1955)