56% (2007)

50% (2001)

0% (2005)

0% (2000)

85% (2019)

84% (2020)

69% (2016)

80% (1971)

82% (2009)

38% (2008)

0% (2009)

80% (1995)

91% (1991)

62% (1990)

82% (2003)

74% (1988)

64% (1998)

0% (2010)

35% (1995)

77% (2015)