Table 1. The second column shows the number of consecutive days we used in our analysis to construct the networks.

C	number of days ()	number of intervals ()
1.	5	996
2.	10	498
3.	20	249
4.	30	166
5.	40	124
6.	60	88
7.	100	53
8.	120	44
9.	240	22
10.	1000	5

The third column shows the number of resulting intervals respectively networks we obtain from July 1986 to December 2007. The first column is just a numbering of the studied cases (C).