59% (2009)

60% (2009)

54% (1998)

66% (2007)

40% (2004)

53% (2007)

65% (2006)

40% (2001)

49% (2007)

52% (2009)

66% (2004)

56% (2005)

70% (2007)

70% (2004)

45% (2003)

49% (2005)

60% (2003)

20% (2009)

67% (2011)

46% (2004)