Industry

1990

1999

Mining

$25,182

$34,222

Construction

$32,007

$59,289

Manufacturing

$12,830

$25,342

T.C.U

$14,174

$25,930

Wholesale & Retail Trade

$10,434

$13,471

F.I.R.E

$12,496

$21,962

Services

$11,973

$18,019

Government

-

$22,697

Average

$14,816

$21,831