83

Figure 5B.12. Same as Fig. 5B.11 except for a period between April 1 and April 10.

Figure 5B.13. Same as Fig. 5B.11 except for a period between April 11 and April 20.

84

Figure 5B.14. Same as Fig. 5B.11 except for a period between April 21 and April 30.

Figure 5B.15. Same as Fig. 5B.11 except for a period between May 1 and May 10.