10% (2001)

35% (2015)

0% (2006)

70% (2011)

0% (1999)

0% (2002)

0% (2000)

0% (1999)

37% (2003)

0% (1993)

40% (2008)

55% (2017)

0% (1998)

0% (2013)

0% (1986)

0% (1998)

40% (2000)

40% (2009)

70% (2013)

37% (2006)