59% (2009)

58% (2009)

54% (1991)

20% (2008)

40% (2006)

47% (2007)

45% (1991)

70% (2007)

27% (2009)

0% (1992)

53% (1996)

52% (2001)

73% (1990)

59% (1996)

0% (1995)

0% (2008)

52% (2005)

0% (1998)

0% (1999)

53% (1992)