20% (1991)

67% (2021)

10% (2013)

71% (2005)

0% (2015)

48% (2016)

65% (1999)

60% (2010)

50% (1963)

49% (1987)

0% (2006)

0% (1973)

70% (1950)

75% (2015)

0% (2005)

49% (2002)

0% (2002)

80% (1970)

73% (1951)

78% (2006)