61% (1999)

60% (2000)

55% (2000)

64% (2007)

53% (1998)

50% (2006)

36% (2002)

63% (1999)

65% (1999)

56% (1994)

74% (2005)

67% (1997)

55% (2001)

0% (1999)

57% (2001)

59% (1999)

55% (2001)

29% (1998)

60% (2002)

59% (2002)