76% (2006)

75% (2004)

0% (2025)

62% (2009)

63% (2010)

71% (2002)

69% (2014)

68% (1999)

65% (2000)

64% (2007)

59% (2000)

66% (2012)

64% (2007)

59% (2009)

54% (2004)

64% (1997)

59% (1993)

50% (2000)

67% (2013)

71% (2010)