what is volume 771,772 for?

There are too many 772,771 volume.Can someone tell me what the volume 771,772 for? Thks
-------------------------
03:10:49 PM 0.058 772 44.78
03:10:44 PM 0.058 771 44.72
03:10:40 PM 0.058 772 44.78
03:10:36 PM 0.058 772 44.78
03:05:39 PM 0.058 772 44.78
03:05:27 PM 0.058 772 44.78
03:05:21 PM 0.058 771 44.72
03:05:12 PM 0.058 772 44.78
03:04:51 PM 0.058 772 44.78
03:04:29 PM 0.058 772 44.78
03:02:39 PM 0.058 771 44.72
03:02:33 PM 0.058 772 44.78
03:02:29 PM 0.058 772 44.78
03:01:54 PM 0.058 772 44.78
03:01:50 PM 0.058 771 44.72
03:00:00 PM 0.058 772 44.78
02:59:52 PM 0.058 772 44.78
02:59:29 PM 0.058 772 44.78