0% (1987)

0% (2002)

55% (1996)

45% (1994)

50% (1994)

100% (1993)

50% (1996)

61% (2001)

50% (2000)

54% (1995)

51% (1994)

70% (1993)

64% (1994)

59% (2000)

34% (1997)

72% (2007)

72% (1998)

59% (1996)

40% (1996)

60% (2013)