79% (1999)

37% (1980)

66% (1996)

49% (2003)

73% (2001)

37% (2001)

75% (1971)

20% (2009)

50% (1969)

65% (2008)

0% (1981)

70% (2018)

90% (2009)

64% (1986)

0% (2006)

72% (2007)

80% (2017)

60% (1997)

30% (1991)

79% (2002)