Assertion: conductor's job | /r/HasProperty | staffed in the u.s.
Facets:
value: as of 2012
type: TEMPORAL
Source sentences:
text: As of 2012, 24,380 "railroad brake, signal, and switch operators" jobs were staffed in the U.S., with 93% of them employed in the rail transport industry with much of the remainder employed by supporting companies.