1991

1992

1993

1994

1995

1996

1997

1998

1999

2000

310.9

49.9

8.0

18.8

65.5

82.5

70.4

49.8

42.2

60.2

�*

12.0

2.5

10.3

36.8

49.9

34.3

23.3

23.6

30.5

�*

4.158

3.200

1.825

1.780

1.653

2.052

2.137

1.788

1.977

�*

�*

0.770

0.570

0.975

0.929

1.241

1.041

0.837

1.106

�*

�*

�33.0

�43.0

�2.5

�7.1

+24.1

+4.1

�16.3

+10.6

�*

�*

�79.2

+312.0

+257.3

+35.6

�31.3

�32.1

+1.3

+29.2