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Usage stats for ffi on Pub

Required version breakdown across 10.1K open source repositories

^0.1.3	6.86%
^0.2.0-...	0.51%
^1.0.0	8.22%
>=1.0.0...	0.55%
^1.1.0	0.54%
^1.1.1	1.26%
^1.1.2	6.27%
>=1.1.0...	0.51%
>=1.1.2...	0.68%
^1.2.1	1.81%
^2.0.0	6.29%
^2.0.1	26.46%
^2.0.2	6.89%
>=2.0.0...	1.1%
^2.1.0	14.49%
^2.1.2	6.18%
^2.1.3	7.66%
Other	3.71%