35% (2000)

75% (2004)

80% (1999)

65% (1997)

85% (1995)

55% (1996)

45% (1996)

90% (1996)

20% (1996)

0% (2001)

0% (2004)

100% (1997)

80% (2000)

100% (2018)

70% (1997)

10% (1999)

60% (1997)

30% (1997)

100% (1997)

70% (1998)