45% (2004)

54% (2002)

55% (1998)

59% (2000)

55% (2002)

56% (2004)

63% (1999)

56% (2000)

48% (2006)

47% (2004)

44% (2002)

50% (2003)

60% (2007)

42% (2000)

45% (2001)

72% (1997)

47% (2004)

0% (2003)

75% (2000)

67% (1997)