77% (2007)

78% (2012)

88% (2008)

82% (2012)

89% (2009)

53% (2004)

70% (2023)

70% (2003)

72% (2006)

100% (2014)

80% (2010)

60% (2010)

80% (2006)

40% (1999)

65% (2000)

65% (2004)

60% (1997)

0% (2009)

0% (2009)

0% (2009)