77% (2013)

51% (1992)

72% (2013)

40% (1947)

55% (1985)

60% (1978)

20% (1998)

10% (1937)

35% (1986)

35% (1927)

0% (1975)

42% (1989)

0% (2008)

0% (1985)

50% (2017)

51% (1996)

47% (1990)

50% (1991)

0% (1992)

20% (1930)