 #                [end]  [quantity]              [start]  [thing_id]
 1  2025-01-01 00:00:00         0.0  2025-01-01 00:00:00           0
 2  2025-01-02 01:00:00        1.23  2025-01-02 00:00:00           1
 3  2025-01-03 02:00:00        2.46  2025-01-03 00:00:00           2
 4  2025-01-04 03:00:00        3.69  2025-01-04 00:00:00           3
 5  2025-01-05 04:00:00        4.92  2025-01-05 00:00:00           4
 6  2025-01-06 05:00:00        6.15  2025-01-06 00:00:00           5
 7  2025-01-07 06:00:00        7.38  2025-01-07 00:00:00           6
 8  2025-01-08 07:00:00        8.61  2025-01-08 00:00:00           7
 9  2025-01-09 08:00:00        9.84  2025-01-09 00:00:00           8
10  2025-01-10 09:00:00       11.07  2025-01-10 00:00:00           9
11  2025-01-11 10:00:00        12.3  2025-01-11 00:00:00          10
12  2025-01-12 11:00:00       13.53  2025-01-12 00:00:00          11
13  2025-01-13 12:00:00       14.76  2025-01-13 00:00:00          12
14  2025-01-14 13:00:00       15.99  2025-01-14 00:00:00          13
15  2025-01-15 14:00:00       17.22  2025-01-15 00:00:00          14
