43% (2007)

70% (2009)

20% (2001)

65% (1996)

51% (1997)

0% (1999)

58% (1990)

65% (2007)

55% (2004)

50% (2012)

60% (2007)

33% (2003)

60% (2009)

65% (2004)

68% (1998)

0% (1993)

0% (1935)

65% (2006)