1

2

3

4

5

6

7

8

9

10

11

12

1950

-7.5

-7.5

-7.5

-7.5

-7.5

-7.6

-7.6

-7.8

-7.9

-8.0

-8.1

-8.2

1951

-8.2

-8.2

-8.2

-8.2

-8.3

-8.2

-7.8

-7.8

-7.9

-7.8

-7.8

-7.9

1952

-7.9

-7.9

-7.9

-7.7

-7.8

-7.8

-7.8

-7.8

-7.8

-7.9

-7.9

-8.0

1953

-8.0

-8.0

-7.8

-7.4

-7.3

-7.2

-6.1

-6.1

-6.1

-5.9

-5.9

-6.1

1954

-6.1

-6.0

-6.0

-5.9

-5.9

-5.8

-5.8

-5.9

-6.0

-6.0

-6.1

-6.4

1955

-6.9

-7.0

-7.0

-6.7

-6.7

-6.7

-6.3

-6.2

-5.9

-5.9

-5.9

-5.9

1956

-5.9

-5.9

-5.9

-5.9

-5.9

-5.9

-5.9

-5.8

-5.8

-5.8

-5.8

-5.8

1957

-5.8

-5.8

-5.8

-5.8

-5.8

-5.9

-5.9

-5.8

-5.8

-5.8

-5.7

-5.7

1958

-5.7

-5.7

-5.7

-5.7

-5.7

-5.7

-5.7

-5.7

-5.7

-5.7

-5.7

-5.7

1959

-5.7

-5.7

-5.7

-5.7

-5.7

-5.7

-5.7

-5.7

-5.7

-5.8

-5.8

-5.8

1960

-5.9

-5.9

-5.9

-5.9

-6.1

-6.2

-6.3

-6.3

-6.4

-6.4

-6.4

-6.5

1961

-6.5

-6.6

-6.6

-6.7

-6.8

-6.8

-6.8

-6.8

-6.8

-6.8

-6.8

-6.9

1962

-6.9

-6.9

-6.9

-6.9

-6.9

-6.6

-6.6

-6.6

-6.7

-6.9

-7.0

-7.0

1963

-7.0

-7.0

-7.0

-7.0

-7.0

-7.0

-7.0

-7.0

-6.9

-6.9

-7.0

-7.0

1964

-7.1

-7.1

-7.1

-7.1

-7.1

-7.2

-7.2

-7.2

-7.2

-7.2

-7.3

-7.3

1

2

3

4

5

6

7

8

9

10

11

12

1965

-7.4

-7.4

-7.5

-7.6

-7.6

-7.6

-7.6

-7.6

-7.6

-7.6

-7.6

-7.7

1966

-7.7

-7.7

-7.7

-7.7

-7.7

-7.7

-7.8

-7.8

-7.8

-7.8

-7.8

-7.8

1967

-7.8

-7.8

-7.8

-7.8

-7.8

-7.8

-7.8

-7.8

-7.8

-7.8

-7.8

-7.8

1968

-7.8

-7.8

-7.8

-7.8

-7.8

-7.8

-7.8

-7.8

-7.8

-7.8

-7.8

-7.8

1969

-7.8

-7.8

-7.6

-7.6

-7.6

-7.6

-7.5

-7.5

-7.5

-7.4

-7.4

-6.9

1970

-6.9

-6.9

-6.9

-6.9

-7.0

-7.0

-7.0

-7.0

-7.0

-7.0

-7.0

-7.0

1971

-7.0

-7.1

-7.0

-6.7

-6.7

-6.7

-6.1

-6.1

-6.1

-5.9

-5.9

-5.9

1972

-5.8

-4.7

-4.7

-4.7

-4.9

-4.9

-4.9

-4.9

-4.9

-4.9

-4.9

-4.9

1973

-4.9

-4.6

-4.3

-4.3

-4.0

-4.0

-4.0

-4.0

-4.0

-4.0

-3.9

-3.9

1974

-3.9

-3.9

-3.9

-3.9

-3.9

-3.9

-3.9

-3.9

-3.9

-3.7

-3.3

-3.3

1975

-3.3

-3.3

-3.3

-3.3

-3.3

-3.3

-3.3

-3.3

-3.3

-3.2

-2.8

-2.8

1976

-2.8

-2.8

-2.8

-2.8

-2.8

-2.8

-2.8

-2.7

-2.7

-2.7

-2.7

-2.7

1977

-2.7

-2.7

-2.7

-2.7

-2.7

-2.7

-2.7

-2.6

-2.6

-2.6

-2.6

-2.6

1978

-2.6

-2.6

-2.6

-2.6

-2.5

-2.5

-2.5

-2.5

-2.5

-2.5

-2.5

-2.1

1979

0

0.6

0.7

0.7

1.3

1.3

1.3

1.4

1.4

1.5

1.5

1.5

1

2

3

4

5

6

7

8

9

10

11

12

1980

1.6

1.6

1.6

1.6

1.8

1.8

1.9

2.0

2.2

2.1

2.1

2.1

1981

2.1

2.1

2.1

2.1

2.0

2.0

2.0

2.0

2.0

2.3

2.3

2.3

1982

2.3

2.3

2.3

2.1

2.1

2.1

2.1

2.4

2.4

2.4

2.5

2.5

1983

2.4

2.3

2.3

2.2

2.2

2.2

2.1

2.1

2.1

2.1

1.9

1.9

1984

2.1

2.1

2.1

2.5

2.6

2.6

2.6

2.6

2.6

2.6

2.6

2.6

1985

2.6

2.6

2.6

2.6

2.6

2.6

2.7

2.7

2.6

2.6

2.6

2.6

1986

2.6

2.6

2.6

2.7

2.9

2.9

2.9

2.8

2.8

2.8

2.9

2.9

1987

2.9

2.9

2.9

2.9

3.0

3.0

3.0

3.0

2.7

2.6

2.5

2.4

1988

2.4

2.4

2.4

2.4

2.5

2.5

2.5

2.5

2.6

2.6

2.6

2.6

1989

2.6

2.6

2.5

2.5

2.5

0.3

-0.1

-0.1

-0.1

-0.4

-0.7

-0.6

1990

-0.6

-0.8

-0.9

-0.9

-0.9

-0.9

-0.9

-0.9

-0.9

-0.9

-0.8

-0.7

1991

-0.7

-0.7

-0.7

-0.7

-0.7

-0.6

-0.6

-0.6

-0.6

-0.6

-0.6

-0.6

1992

-0.5

-0.5

-0.4

-0.4

-0.4

-0.4

-0.5

-0.5

-1.1

-1.1

-1.1

-1.0

1993

-1.0

-1.0

-1.0

-1.0

-1.0

-1.0

-1.0

-1.1

-1.2

-1.2

-1.0

-1.0

1994

-0.8

-0.8

-0.5

-0.3

-0.2

-0.2

-0.2

-0.1

-0.1

0.3

0.6

0.6

1

2

3

4

5

6

7

8

9

10

11

12

1995

0.6

0.4

0.6

0.6

0.1

-0.1

-0.2

-0.2

-0.2

-0.1

0

0

1996

0

0

-1.0

-1.0

-1.2

-1.0

-0.9

-0.9

-0.9

-0.9

-0.5

-0.3

1997

-0.3

-0.1

0.2

0.2

0.3

0.3

0.3

0.5

0.7

2.2

2.1

2.2

1998

2.2

2.2

2.3

2.3

2.5

3.1

3.1

3.2

3.3

3.2

3.2

3.1

1999

2.7

2.6

1.9

1.9

-0.3

-0.3

-0.2

-0.5

-0.3

-0.4

0

0

2000

0.2

0.1

0.1

0.1

0.1

0.2

0.2

0.2

0.3

0.3

0.4

0.4

2001

0.2

-0.2

-0.2

-0.8

-1.2

-1.2

-0.8

-0.8

-0.5

-0.4

-0.3

0

2002

0

0.2

-0.3

-0.2

-0.3

-0.1

-0.2

-0.2

-0.1

-0.1

-0.1

0

2003

0.2

0.5

0.5

0.6

0.4

0.3

0.5

0.5

0.5

0.8

0.8

1.3

2004

1.3

1.4

1.2

1.2

0.8

0.7

0.6

0.6

0.6

0.5

0.8

0.7

2005

0.7

0.2

0.2

0.2

0.2

0.2

0.3

0.5

0.6

0.6

0.7

0.6

2006

0.7

0.7

0.7

1.1

1.1

1.0

1.3

1.5

1.5

1.7

1.9

2.0

2007

1.9

1.9

1.8

1.8

1.8

1.6

1.3

1.4

1.4

1.2

1.2

1.4

2008

1.4

1.3

1.0

0.7

0.9

1.0

1.0

1.1

1.0

0.7

0.8

1.0

2009

1.1

1.0

0.6

0.5

0.4

0.8

1.2

1.2

1.2

1.2

1.6

1.7

1

2

3

4

5

6

7

8

9

10

11

12

2010

1.1

0.9

0.8

1.0

1.2

1.1

1.0

1.0

1.1

1.1

1.2

1.2

2011

2.0

2.0

2.0

2.0

2.0

2.1

2.1

2.1

1.8

1.8

1.9

1.9

2012

1.9

1.9

1.9

1.8

1.7

1.8

1.8

1.6

1.7

1.7

1.7

1.7

2013

1.7

1.7

1.8

2.0

2.0

2.1

2.1

2.2

2.3

2.3

2.3

2.3

2014

2.2

2.0

2.0

1.4

1.3

1.2

1.2

1.2

1.2

1.3

1.7

1.7

1

2

3

4

5

6

7

8

9

10

11

12

2015

1.7

1.8

1.8

1.4

1.0

1.2

1.0

1.2

1.8

1.8

1.9

1.6

2016

1.6

1.4

0.8

0.6

0.3

0.3

-0.1

0.0

-0.2

-0.3

0.0

-0.5

2017

-0.8

-0.8

-1.1

-0.8

-1.3

-1.9

-2.1

-2.2

-1.6

-1.7

-1.3

-1.6

2018

-1.9

-2.0

-3.0

-3.6

-3.3

-3.4

-3.8

-4.2

-4.6

-4.9

-4.8

-4.8