70% (1997)

48% (2002)

72% (2012)

72% (2005)

63% (2017)

79% (2018)

60% (1999)

73% (2011)

77% (2011)

82% (1980)

40% (2013)

66% (1981)

0% (2013)

95% (2017)

75% (2007)

0% (1970)

62% (1999)

62% (2014)

100% (1989)

64% (2019)