![[Chart]](fallback.png)
| 1978 | 1996 | 2014 | ||
|---|---|---|---|---|
| Alabama | Ala. | Machine operators, n.e.c | Truck, delivery, and tractor drivers | Truck, delivery, and tractor drivers |
| Alaska | Alaska | Secretaries | Primary school teachers | Primary school teachers |
| Arizona | Ariz. | Truck, delivery, and tractor drivers | Truck, delivery, and tractor drivers | Customer service reps, investigators and adjusters, except insurance |
| Arkansas | Ark. | Farm workers | Truck, delivery, and tractor drivers | Truck, delivery, and tractor drivers |
| California | Calif. | Secretaries | Truck, delivery, and tractor drivers | Truck, delivery, and tractor drivers |
| Colorado | Colo. | Secretaries | Truck, delivery, and tractor drivers | Computer software developers |
| Connecticut | Conn. | Secretaries | Truck, delivery, and tractor drivers | Primary school teachers |
| Delaware | Del. | Secretaries | Secretaries | Secretaries |
| District of Columbia | D.C. | Secretaries | Janitors | Lawyers |
| Florida | Fla. | Secretaries | Truck, delivery, and tractor drivers | Primary school teachers |
| Georgia | Ga. | Secretaries | Truck, delivery, and tractor drivers | Truck, delivery, and tractor drivers |
| Hawaii | Hawaii | Bookkeepers and accounting and auditing clerks | Truck, delivery, and tractor drivers | Cooks, variously defined |
| Idaho | Idaho | Truck, delivery, and tractor drivers | Truck, delivery, and tractor drivers | Truck, delivery, and tractor drivers |
| Illinois | Ill. | Secretaries | Truck, delivery, and tractor drivers | Truck, delivery, and tractor drivers |
| Indiana | Ind. | Assemblers of electrical equipment | Truck, delivery, and tractor drivers | Truck, delivery, and tractor drivers |
| Iowa | Iowa | Farmers (owners and tenants) | Farmers (owners and tenants) | Truck, delivery, and tractor drivers |
| Kansas | Kan. | Farmers (owners and tenants) | Farmers (owners and tenants) | Truck, delivery, and tractor drivers |
| Kentucky | Ky. | Machine operators, n.e.c | Truck, delivery, and tractor drivers | Truck, delivery, and tractor drivers |
| Louisiana | La. | Secretaries | Secretaries | Truck, delivery, and tractor drivers |
| Maine | Maine | Secretaries | Truck, delivery, and tractor drivers | Truck, delivery, and tractor drivers |
| Maryland | Md. | Secretaries | Secretaries | Secretaries |
| Massachusetts | Mass. | Machine operators, n.e.c | Secretaries | Primary school teachers |
| Michigan | Mich. | Machine operators, n.e.c | Assemblers of electrical equipment | Truck, delivery, and tractor drivers |
| Minnesota | Minn. | Truck, delivery, and tractor drivers | Farmers (owners and tenants) | Truck, delivery, and tractor drivers |
| Mississippi | Miss. | Truck, delivery, and tractor drivers | Truck, delivery, and tractor drivers | Truck, delivery, and tractor drivers |
| Missouri | Mo. | Secretaries | Truck, delivery, and tractor drivers | Truck, delivery, and tractor drivers |
| Montana | Mont. | Farmers (owners and tenants) | Farmers (owners and tenants) | Truck, delivery, and tractor drivers |
| Nebraska | Neb. | Farmers (owners and tenants) | Farmers (owners and tenants) | Truck, delivery, and tractor drivers |
| Nevada | Nev. | Recreation facility attendants | Recreation facility attendants | Retail sales clerks |
| New Hampshire | N.H. | Machine operators, n.e.c | Primary school teachers | Secretaries |
| New Jersey | N.J. | Machine operators, n.e.c | Secretaries | Secretaries |
| New Mexico | N.M. | Secretaries | Secretaries | Secretaries |
| New York | N.Y. | Secretaries | Secretaries | Nursing aides, orderlies, and attendants |
| North Carolina | N.C. | Truck, delivery, and tractor drivers | Truck, delivery, and tractor drivers | Truck, delivery, and tractor drivers |
| North Dakota | N.D. | Farmers (owners and tenants) | Farmers (owners and tenants) | Farm managers, except for horticultural farms |
| Ohio | Ohio | Machine operators, n.e.c | Truck, delivery, and tractor drivers | Truck, delivery, and tractor drivers |
| Oklahoma | Okla. | Secretaries | Secretaries | Truck, delivery, and tractor drivers |
| Oregon | Ore. | Truck, delivery, and tractor drivers | Truck, delivery, and tractor drivers | Truck, delivery, and tractor drivers |
| Pennsylvania | Pa. | Truck, delivery, and tractor drivers | Truck, delivery, and tractor drivers | Truck, delivery, and tractor drivers |
| Rhode Island | R.I. | Machine operators, n.e.c | Truck, delivery, and tractor drivers | Primary school teachers |
| South Carolina | S.C. | Secretaries | Machine operators, n.e.c | Truck, delivery, and tractor drivers |
| South Dakota | S.D. | Farmers (owners and tenants) | Farmers (owners and tenants) | Farm managers, except for horticultural farms |
| Tennessee | Tenn. | Machine operators, n.e.c | Truck, delivery, and tractor drivers | Truck, delivery, and tractor drivers |
| Texas | Texas | Secretaries | Truck, delivery, and tractor drivers | Truck, delivery, and tractor drivers |
| Utah | Utah | Truck, delivery, and tractor drivers | Truck, delivery, and tractor drivers | Computer software developers |
| Vermont | Vt. | Secretaries | Truck, delivery, and tractor drivers | Truck, delivery, and tractor drivers |
| Virginia | Va. | Secretaries | Truck, delivery, and tractor drivers | Computer software developers |
| Washington | Wash. | Secretaries | Truck, delivery, and tractor drivers | Computer software developers |
| West Virginia | W.Va. | Machine operators, n.e.c | Truck, delivery, and tractor drivers | Primary school teachers |
| Wisconsin | Wis. | Truck, delivery, and tractor drivers | Truck, delivery, and tractor drivers | Truck, delivery, and tractor drivers |
| Wyoming | Wyo. | Farm workers | Farmers (owners and tenants) | Truck, delivery, and tractor drivers |