70% (2001)

69% (1997)

82% (2002)

63% (2003)

73% (1995)

10% (2001)

50% (1999)

35% (1998)

50% (1999)

57% (2007)

60% (1996)

58% (2002)

58% (2001)

50% (2005)

47% (1994)

60% (2005)

0% (2004)