46% (2004)

56% (2003)

0% (2002)

70% (2002)

57% (1993)

60% (1999)

0% (1999)

35% (1994)

0% (1997)

0% (1994)

63% (2001)

60% (2001)

0% (1994)

0% (2002)

0% (1993)