Moving yearly Total Data / month

all values are listed as: GB

   time  |       up     down
---------+------------------
2025-02  |  360.687  154.221
2025-03  |  305.545  131.186
2025-04  |  285.497  140.926
2025-05  |  258.563  153.869
2025-06  |  236.781  162.387
2025-07  |  208.035  167.588
2025-08  |  191.670  200.931
2025-09  |  156.583  227.622
2025-10  |  109.294  440.603
2025-11  |   75.239  811.263
2025-12  |   40.389  831.849
2026-01  |    8.550  836.667
2026-02  |    0.000  854.730