29% (2001)

0% (2007)

0% (1990)

100% (1970)

75% (2006)

98% (1988)

0% (2013)

30% (1950)

0% (1960)

55% (2004)

58% (1979)

70% (1981)

50% (2002)

80% (2014)

73% (2018)

80% (2009)

93% (2018)

75% (2005)

78% (2010)

85% (2019)