85% (1994)

82% (2009)

80% (2003)

79% (2004)

70% (1996)

74% (1997)

81% (2005)

80% (2011)

59% (1995)

50% (2020)

46% (1999)

49% (1999)

69% (2009)

59% (1996)

60% (2002)

51% (1995)

76% (1998)