70% (2010)

80% (1992)

90% (2004)

70% (2007)

80% (1996)

70% (2008)

30% (1998)

20% (1998)

20% (2004)

70% (1995)

0% (2015)

70% (1991)

50% (2001)

68% (2005)

0% (1992)

0% (1990)

0% (2010)

40% (2008)

20% (1995)

40% (1990)