72% (2004)

74% (2002)

70% (1950)

54% (2004)

53% (2013)

35% (2014)

37% (2011)

75% (1968)

61% (1966)

50% (1996)

55% (1967)

49% (2005)

45% (2018)

40% (1959)

45% (2015)

70% (1943)

32% (2010)

30% (2012)

100% (1967)

50% (1969)