Time commitment for first year in PhD program?

[GoPackGo89]

For those of you who are currently enrolled or have completed a PhD in math/stats/biostats how was your time split up during your first year between:

Coursework
Teaching
Research
Other(?)

I know not every program is the same and that some students may have teaching duties waived so I am just trying to get a general sense of what to expect.

[twilightgalaxy]

Maybe something like 30% research, 60% coursework, and 10% seminars (no teaching duties).