0% (2005)

20% (2020)

0% (1997)

60% (1994)

0% (1991)

0% (1986)

0% (1980)

10% (2008)

100% (1983)

57% (2015)

100% (2014)

0% (2012)

0% (1964)

60% (1993)

0% (1994)

60% (1970)

0% (1983)

60% (1990)

65% (2010)

70% (2013)