57% (1996)

67% (2010)

67% (1989)

0% (1991)

0% (1994)

0% (1983)

0% (1990)

0% (1986)

53% (1981)

80% (1994)

60% (2015)

25% (1999)

80% (1981)

60% (2009)

41% (1996)

0% (1977)

58% (2003)

40% (1995)

35% (1999)

0% (2025)