50% (1991)

78% (2014)

50% (2007)

48% (2012)

62% (1965)

68% (2003)

60% (2018)

56% (1989)

0% (1964)

57% (1988)

73% (1979)

53% (2008)

60% (1990)

57% (2016)

45% (1973)

60% (2004)

62% (1960)

51% (1993)

57% (1968)

30% (2005)