38% (1997)

66% (2003)

34% (2000)

53% (1999)

53% (1997)

33% (1998)

0% (2005)

68% (2005)

60% (2001)

55% (2015)

51% (2010)

49% (2004)

48% (2004)

49% (2009)

65% (2002)

52% (2010)

52% (2005)