72% (2013)

62% (2007)

60% (2006)

80% (2007)

42% (2005)

25% (2013)

70% (2013)

61% (2013)

54% (2010)

63% (2009)

53% (2010)

45% (2010)

59% (2011)

0% (2011)

60% (2008)

0% (1991)

0% (2011)

0% (2007)

0% (2003)

60% (2007)