55% (1999)

65% (1997)

48% (2007)

51% (2005)

40% (1999)

65% (2003)

0% (2015)

20% (1988)

59% (2002)

20% (1999)

35% (1987)

65% (2001)

0% (2011)

64% (2006)

0% (1997)

40% (2004)

0% (2000)

50% (2012)

0% (2013)

60% (1995)