Unusually high traffic since beginning of May (@nz)

Has anyone else noticed higher than usual traffic in the nz or oceania zones recently? About six weeks ago my NTP traffic approximately doubled - the combined request & reply traffic for May was a little over 2TiB, and June looks set to beat that.

The traffic may be international - I have my server set to the highest speed tier, so it will also be in the global rotation. I don’t monitor traffic origin for that server unfortunately. I’m quite happy to continue serving at the current rate, but it does seem odd how suddenly it increased.