隨便 google 一查就有資料
https://datausa.io/profile/soc/waiters-waitresses
2019 WORKFORCE
2.16M
AVERAGE AGE
29.9
ESTIMATED JOB GROWTH
3.73%
10-YEAR PROJECTION
AVERAGE SALARY
$18,359
AVERAGE MALE SALARY
$21,413
AVERAGE FEMALE SALARY
$17,012