60% (1994)

53% (1987)

60% (1987)

55% (2010)

0% (1995)

54% (1996)

59% (1996)

51% (1993)

57% (2007)

35% (1994)

65% (1997)

61% (2003)

60% (1994)

60% (1994)

47% (1994)

50% (2009)

28% (1989)

37% (2009)

30% (1989)

55% (1994)