50% (2003)

54% (2006)

46% (2005)

60% (2004)

57% (2004)

0% (2006)

0% (2004)

0% (2001)

0% (2004)

0% (2004)

10% (2006)

0% (2005)

0% (2003)

60% (2005)

47% (2000)

0% (2007)

0% (2002)

10% (2004)

0% (2003)

0% (2002)