75% (2010)

80% (2013)

80% (2019)

64% (2011)

69% (2019)

70% (2011)

66% (2012)

74% (2016)

50% (1995)

70% (2002)

60% (2009)

60% (2000)

67% (2006)

54% (2009)

38% (2002)

74% (1983)

100% (1999)

30% (1998)

35% (2007)

68% (2000)