0% (1999)

55% (2004)

43% (2007)

51% (1997)

60% (2009)

46% (2012)

0% (1935)

0% (1993)

70% (2009)

58% (1990)

65% (2006)

65% (2004)

65% (1996)

68% (1998)

20% (2001)

60% (2007)

33% (2003)

65% (2007)