Gozer/wip/get contribution stats (#2498)
Gozer/wip/get contribution stats (#2498)

* IMPORT_SENTENCES=true

* Slightly rewrite query

Co-authored-by: Philippe M. Chiasson <b89e1263e3bf2be800ea4e2a6760aaf74ddd1fa0@ectoplasm.org>

gozer/voice-web,gozer/voice-web,common-voice/common-voice,common-voice/common-voice,gozer/voice-web,gozer/voice-web,common-voice/common-voice,common-voice/common-voice,gozer/voice-web,gozer/voice-web,gozer/voice-web