55% (2007)

66% (2007)

59% (2009)

30% (2001)

53% (1998)

60% (2003)

58% (2009)

40% (2004)

67% (2006)

52% (2009)

47% (2007)

60% (2013)

46% (2004)

66% (2004)

45% (2003)

50% (2005)

20% (2008)

70% (2007)

0% (2010)

69% (2004)