i

t_i (year)

0

0

0

0.5099

1

4/252.5

1.235e−1

0.6410

2

8/252.5

6.893e−2

0.5804

3

12/252.5

−2.9809e−2

0.4791

4

16/252.5

1.2049e−2

0.5201

5

20/252.5

4.4983e−2

0.5538

6

24/252.5

−7.7662e−4

0.5065

7

28/252.5

−1.3411e−2

0.4936

8

32/252.5

−1.2461e−1

0.3894

9

36/252.5

−7.10141e−2

0.4377