opened
beets
username_0
E.g. health outcomes and behaviors chart in MTV (when shown as a timeline)

Don't treat null as 0

![image](https://user-images.githubusercontent.com/6052978/93501163-eb6b1580-f8c9-11ea-9996-82f6cd7f26db.png)
[places] skip null points
issue
closed
beets
username_0
issue