company time         value
-------------------------
a       00:00:15.000  100
a       00:00:30.000  100
b       00:01:00.000  100
a       00:01:10.000  100
a       00:01:15.000  100
a       00:01:20.000  300
a       00:01:25.000  100
b       00:01:30.000  400
a       00:01:50.000  100
a       00:02:00.000  100
a       00:00:03.000  200

company time         value   x
--------------------------------
a       00:00:15.000  100    0 (First event A).
a       00:00:30.000  100    15 (30 - 15 / 2 events).
b       00:01:00.000  100    0 (First event of company B).
a       00:01:10.000  100    55/3 = 18.33 (1:10 - 0:15 / 3 events).
a       00:01:15.000  100    60/4 = 15 (1:15 - 0:15 / 4 events).
a       00:01:20.000  300    0 (Different value).
a       00:01:25.000  100    55/4 = 13.75 (01:25 - 0:30 / 4 events).
b       00:01:30.000  400    0 (Different value and company).
a       00:01:50.000  100    40/4 = 10 (01:50 - 01:10 / 4 events).
a       00:02:00.000  100    50/5 = 10 (02:00 - 01:10 / 5 events).
a       00:03:00.000  200    0 (Different value).).

([] company:`a`a`b`a`a`a`a`b`a`a`a; time: 00:00:15.000 00:00:30.000 00:01:00.000 00:01:10.000 00:01:15.000 00:01:20.000 00:01:25.000 00:01:30.000 00:01:50.000 00:02:00.000 00:03:00.000; v: 100 100 100 100 100 300 100 400 100 100 200)