Moving yearly Total Data / month

all values are listed as: M pkts

   time  |       up     down
---------+------------------
2025-06  |  113.110  238.570
2025-07  |   98.954  243.955
2025-08  |   88.025  263.425
2025-09  |   74.855  274.869
2025-10  |   55.626  436.129
2025-11  |   37.011  675.421
2025-12  |   17.141  697.066
2026-01  |    2.848  714.019
2026-02  |    0.000  738.605
2026-03  |    0.000  754.118
2026-04  |    0.000  761.275
2026-05  |    0.000  759.372
2026-06  |    0.000  753.674