80% (2013)

75% (2010)

80% (2019)

69% (2019)

70% (2011)

64% (2011)

74% (2016)

60% (2009)

50% (1995)

60% (2000)

70% (2002)

67% (2006)

71% (2016)

74% (1983)

30% (1998)

68% (2000)

66% (2012)

38% (2002)

52% (1999)

72% (2004)