73% (2000)

45% (2005)

80% (2020)

85% (2004)

0% (2000)

0% (2007)

0% (1997)

0% (2002)

0% (1975)

70% (1994)

0% (1974)

0% (2012)

55% (2002)

0% (1975)

0% (2002)

20% (1997)

0% (1994)

0% (1997)

0% (2006)

10% (2007)