We really don't know what the real number is. 'We need to have some humility here. The essential workers include firefighters and police; teachers and school staff; those working in food, agricultural and manufacturing sectors; corrections workers; US Postal Service employees; public transit workers; and grocery store workers. But, I'm not going to say 90 percent.' Thats 100 million out of a population of more than 330 million.
the workers have a job.
( z0 have :ARG0 ( z1 person :ARG0-of ( z2 work ) ) :ARG1 ( z3 job ) )
(z0 / have-03
    :ARG0 (z1 / person
              :ARG0-of (z2 / work-01))
    :ARG1 (z3 / job))
the workers have a job .
z1 :ARG0-of z2
z0 :ARG0 z1
z0 :ARG1 z3