30% (2005)

43% (1993)

37% (1993)

72% (2003)

63% (1997)

60% (2000)

51% (2001)

63% (2002)

53% (2000)

30% (1996)

52% (2001)

40% (2002)

49% (2004)

10% (1995)

60% (1993)

30% (2005)

30% (2002)

53% (1992)

0% (1995)

0% (2003)