So... there are [super old metrics here used by the test suite elsewhere](https://github.com/metricfu/metric_fu/blob/a75e1c8c79/spec/resources/yml/20090630.yml) and [this more recent snippet](https://github.com/bf4/metric_fu/blob/fa61a6b9472f080cf2156fe50675e9a4dce98dd3/report_example.yml) I made just to look at, though I'm not sure it would help here