60% (2001)

0% (2003)

0% (2008)

70% (1988)

80% (2009)

0% (1995)

60% (1996)

83% (1993)

60% (1994)

70% (2000)

80% (1995)

0% (2016)

0% (2005)

80% (2006)

0% (2007)

0% (2011)

0% (2005)

0% (2008)

0% (1998)

55% (1997)