90% (2015)

78% (1992)

60% (2005)

52% (2007)

0% (2007)

0% (2005)

70% (2005)

40% (2005)

70% (1983)

0% (2008)

90% (2001)

40% (2005)

0% (2005)

70% (1991)

80% (2005)

52% (2011)

30% (2007)

0% (2004)

0% (2007)

20% (2001)