Sorry to disagree, who says there was no volume in last few minutes.
Following is the volume of BNF for last few minutes (not in any order), which is much better than first few minutes volumes. Only exception is first 1 min volume, which was the highest.
25320
17240
30680
15720
27040
13400
20040
28760
Following is the volume of BNF for last few minutes (not in any order), which is much better than first few minutes volumes. Only exception is first 1 min volume, which was the highest.
25320
17240
30680
15720
27040
13400
20040
28760