43% (1999)

18% (2005)

54% (2004)

42% (2000)

58% (2001)

53% (2005)

63% (1999)

10% (2004)

43% (2004)

20% (1997)

45% (2000)

45% (2005)

59% (1996)

51% (2008)

38% (2004)

64% (2006)

24% (2009)

63% (2000)

58% (2004)

58% (2002)