62% (1999)

60% (2002)

63% (2013)

69% (2000)

48% (1997)

35% (1999)

71% (2001)

71% (1998)

40% (1997)

51% (2009)

48% (1998)

38% (2003)

80% (1983)

68% (2001)

51% (1998)

60% (1998)

0% (1989)

65% (1998)

58% (1997)

50% (1999)