33% (2016)

0% (2006)

0% (2004)

0% (1984)

74% (2001)

0% (1989)

0% (2001)

0% (1986)

0% (1970)

40% (2015)

51% (2018)

0% (1991)

43% (2014)

42% (2006)

37% (2013)

42% (2012)

36% (2016)

35% (2009)

84% (1984)

40% (2011)