82% (2006)

65% (2009)

70% (2008)

72% (1981)

80% (1986)

69% (1983)

65% (2018)

40% (2005)

80% (2001)

71% (2000)

68% (2015)

90% (1990)

68% (2009)

67% (2015)

0% (1966)

0% (2018)

59% (2003)

67% (2011)

0% (1994)

0% (2019)