userstats-relay-country.csv uses scientific notation sometimes

Original context is shadow's tornettools failing to parse a line that uses scientific notation: https://github.com/shadow/tornettools/pull/113

We currently have one instance of scientific notation, for de. The data points before and after are integers as expected:

2024-08-20,de,200762,160365,261801,75
..
2024-08-21,de,2e+05,158805,264242,74
...
2024-08-22,de,200832,173292,246242,67