70% (2015)

50% (2013)

40% (2003)

0% (2015)

0% (1994)

50% (1992)

77% (1996)

30% (2013)

70% (1994)

0% (2020)

0% (2016)

80% (1990)

10% (1970)

50% (1994)

0% (2006)

0% (2000)

0% (2003)

0% (1970)

0% (2005)