52% (2003)

61% (1990)

75% (1999)

72% (2003)

60% (1999)

50% (1997)

59% (2004)

69% (1991)

36% (2005)

67% (1994)

59% (2000)

60% (2004)

68% (2001)

0% (1998)

48% (2002)

0% (2000)

75% (2002)

49% (2002)

46% (1998)

62% (1992)