Not all labels are showing for DataFrame.plot(subplots=True)
From the [mailing list](https://groups.google.com/forum/?fromgroups#!searchin/pystatsmodels/label/pystatsmodels/QLNULH-fS9o/YFYKPziNoZIJ)

see http://pandas.pydata.org/pandas-docs/stable/visualization.html for an example.
