50% (2002)

65% (2017)

60% (1991)

50% (2009)

0% (2008)

55% (1991)

48% (2006)

54% (2002)

39% (2010)

32% (1989)

57% (1985)

0% (1997)

50% (1987)

60% (1990)

0% (2002)

0% (1995)

50% (1983)

0% (1970)

20% (1994)

40% (2003)