43% (2000)

26% (1997)

82% (2003)

68% (1984)

66% (2004)

55% (2008)

62% (2007)

0% (2013)

48% (2001)

40% (2011)

0% (1974)

82% (2020)

20% (1999)

62% (1987)

54% (2009)

62% (2007)

60% (2002)

52% (2006)

67% (2004)

54% (2002)