90% (2001)

88% (2009)

73% (1999)

60% (2006)

0% (1992)

80% (2013)

65% (2012)

60% (2005)

60% (2006)

0% (1997)

70% (2000)

70% (1997)

0% (1991)

0% (2012)

100% (1986)

90% (2015)

68% (2010)

0% (1989)

0% (1991)

55% (2008)