35% (2009)

53% (2010)

66% (2017)

55% (1999)

76% (2005)

0% (2003)

0% (2012)

60% (1993)

0% (1994)

80% (2013)

70% (2012)

80% (2004)

80% (1998)

90% (1990)

62% (2002)

68% (1999)

60% (2014)

0% (2013)

71% (2012)

50% (2003)