CR: injector quantity deviation vs injector time correction

Hello

Does anyone know how these two parameters are related to each other?
I was unable to find corner values for groups 72-77 and how are the related to values in group 13.

For CBAA/CBAB/CBBB/CBEA:
Group 13 shows injection deviation
Group 72 shows time correction for 1st injector
Group 73 shows time correction for 2nd injector
Group 74 shows time correction for 3rd injector
Group 75 shows time correction for 4th injector

Example values:
13.1: +0,5
13.2: +0,8
13.3: -0,3
13.4: -1,0

72.1: -2
72.2: 0
72.3: 9

73.1: -19
73.2: -4
73.3: 15

74.1: -42
74.2: 3
74.3: 12

75.1: -5
75.2: 0
75.3: 9

I will be thankful for any insights.