1938

−0.03

0.360

0.360

0.6

0.9

1.2

0.10

0.26

0.42

0.10

0.26

0.42

1939

−0.02

0.370

0.370

0.6

0.9

1.2

0.11

0.28

0.45

0.11

0.28

0.45

1940

0.09

0.480

0.480

0.7

1.0

1.3

0.12

0.30

0.48

0.12

0.30

0.48

1941

0.19

0.580

0.580

0.7

1.1

1.4

0.12

0.32

0.51

0.12

0.32

0.51

1942

0.15

0.540

0.540

0.7

1.1

1.5

0.13

0.34

0.54

0.13

0.34

0.54

1943

0.15

0.540

0.540

0.8

1.2

1.6

0.14

0.36

0.58

0.14

0.36

0.58

1944

0.29

0.680

0.680

0.8

1.3

1.7

0.15

0.38

0.61

0.15

0.38

0.61

1945

0.17

0.560

0.560

0.9

1.3

1.8

0.16

0.40

0.64

0.16

0.40

0.64

1946

−0.01

0.380

0.690

0.9

1.4

1.9

0.16

0.42

0.67

0.16

0.42

0.67

1947

−0.05

0.340

0.570

1.0

1.5

2.0

0.17

0.44

0.71

1948

−0.06

0.330

0.730

1.0

1.5

2.0

0.18

0.46

0.74

1949

−0.06

0.330

0.540

1.1

1.6

2.1

0.19

0.48

0.78

1950

−0.16

0.230

0.520

1.1

1.7

2.2

0.20

0.51

0.81

1951

−0.01

0.380

0.620

1.2

1.8

2.3

0.21

0.53

0.85

1952

0.03

0.420

0.760

1.2

1.8

2.4

0.21

0.55

0.89

1953

0.1

0.490

0.770

1.3

1.9

2.5

0.22

0.57

0.92

1954

−0.11

0.280

0.680

1.3

2.0

2.6

0.23

0.59

0.96

1955

−0.13

0.260

0.820

1.4

2.1

2.7

0.24

0.62

1.00

1956

−0.2

0.190

0.790

1.4

2.1

2.8

0.25

0.64

1.03

1957

0.05

0.440

0.650

1.5

2.2

2.9

0.26

0.66

1.07

1958

0.11

0.500

0.670

1.5

2.3

3.0

0.27

0.69

1.11

1959

0.06

0.450

0.730

1.6

2.4

3.1

0.28

0.71

1.14

1960

0.02

0.410

0.850

1.6

2.4

3.2

0.29

0.73

1.18

1961

0.08

0.470

0.710

1.7

2.5

3.4

0.30

0.76

1.22

1962

0.09

0.480

0.910

1.7

2.6

3.5

0.30

0.78

1.25

1963

0.11

0.500

1.020

1.8

2.7

3.6

0.31

0.80

1.29

1964

−0.15

0.240

0.830

1.8

2.7

3.7

0.32

0.83

1.33

1965

−0.08

0.310

0.810

1.9

2.8

3.8

0.33

0.85

1.37

1966

−0.02

0.370

0.930

1.9

2.9

3.9

0.34

0.87

1.40

1967

−0.01

0.380

0.990

2.0

3.0

4.0

0.35

0.90

1.44

1968

−0.03

0.360

1.000

2.0

3.1

4.1

0.36

0.92

1.48

1969

0.09

0.480

0.970

2.1

3.1

4.2

0.37

0.94

1.52

1970

0.04

0.430

1.050

2.1

3.2

4.3

0.38

0.96

1.55

1971

−0.08

0.310

1.000

2.2

3.3

4.4

0.39

0.99

1.60

1972

0.03

0.420

1.000

2.2

3.4

4.5

0.40

1.01

1.63

1973

0.17

0.560

0.930

2.3

3.5

4.6

0.41

1.04

1.68

1974

−0.07

0.320

1.020

2.4

3.5

4.7

0.42

1.06

1.71