68% (1996)

55% (1995)

47% (1975)

43% (1999)

54% (1989)

60% (1998)

0% (1975)

80% (2020)

23% (2011)

64% (1984)

67% (1980)

42% (2015)

57% (2007)

57% (1986)

60% (2003)

60% (1973)

66% (1978)

63% (2000)

63% (2008)

69% (1983)