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Usage stats for formulaic on PyPI

Required version breakdown across 305 open source repositories

*	18.03%
>=0.2.2	3.93%
<0.3,>=...	2.3%
(==0.3.4)	2.3%
==0.5.2	4.92%
>=0.5.2	1.97%
>=0.6	3.61%
>=0.6.0	9.84%
>=0.6.0...	3.28%
<0.6,>=...	3.93%
>=0.6.6	4.26%
>=0.6.6...	3.61%
>=1.0.0	6.56%
==1.0.1	6.23%
>=1.0.1	2.95%
>=1.0.2	2.3%
>=1.1.1	3.28%
Other	16.72%