Moving yearly Total Data / month

all values are listed as: GB

   time  |     total
---------+----------
2025-06  |   569.309
2025-07  |   580.200
2025-08  |   653.425
2025-09  |   692.933
2025-10  |  1112.804
2025-11  |  1856.283
2025-12  |  1898.878
2026-01  |  1909.212
2026-02  |  1955.435
2026-03  |  1963.669
2026-04  |  1975.339
2026-05  |  1971.152
2026-06  |  1971.745