Year

Jan

Feb

Mar

Api

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

1990

0.1

0.2

0.3

0.3

0.3

0.3

0.3

0.4

0.4

0.3

0.4

0.4

1991

0.4

0.3

0.2

0.3

0.5

0.6

0.7

0.6

0.6

0.8

1.2

1.5

1992

1.7

1.6

1.5

1.3

1.1

0.7

0.4

0.1

−0.1

−0.2

−0.3

−0.1

1993

0.1

0.3

0.5

0.7

0.7

0.6

0.3

0.3

0.2

0.1

0.0

0.1

1994

0.1

0.1

0.2

0.3

0.4

0.4

0.4

0.4

0.6

0.7

1.0

1.1

1995

1.0

0.7

0.5

0.3

0.1

0.0

−0.2

−0.5

−0.8

−1.0

−1.0

−1.0

1996

−0.9

−0.8

−0.6

−0.4

−0.3

−0.3

−0.3

−0.3

−0.4

−0.4

−0.4

−0.5

1997

−0.5

−0.4

−0.1

0.3

0.8

1.2

1.6

1.9

2.1

2.3

2.4

2.4

1998

2.2

1.9

1.4

1.0

0.5

−0.1

−0.8

−1.1

−1.3

−1.4

−1.5

−1.6

1999

−1.5

−1.3

−1.1

−1.0

−1.0

−1.0

−1.1

−1.1

−1.2

−1.3

−1.5

−1.7