0% (1970)

20% (1992)

80% (2015)

0% (2020)

0% (1986)

40% (2010)

70% (2006)

0% (1990)

0% (2011)

70% (1986)

0% (2019)

70% (1982)

0% (1996)

0% (1999)

0% (1991)

0% (1984)

0% (1985)

54% (2009)

70% (1992)

40% (2000)