50% (1997)

42% (1997)

75% (2002)

60% (1995)

55% (2006)

48% (2005)

48% (1999)

48% (1994)

86% (1995)

54% (1995)

52% (2001)

37% (2002)

63% (1997)

30% (1994)

36% (1997)

60% (2006)

67% (2000)

10% (1997)

45% (1994)

65% (2001)