75% (2003)

49% (2015)

33% (2008)

54% (2002)

78% (2006)

0% (1994)

63% (2002)

0% (1999)

65% (1998)

0% (1995)

0% (2000)

0% (2005)

0% (1996)

66% (1999)

43% (2005)

70% (2001)

72% (1998)

0% (2010)