30% (2013)

70% (1991)

0% (1990)

0% (2015)

40% (2008)

80% (1990)

70% (1994)

0% (2016)

50% (1994)

77% (1996)

50% (1999)

0% (2020)

0% (1991)

10% (1970)

0% (2006)

0% (2000)

0% (2003)

0% (1970)

0% (2005)