Chart 31. Over-the-month employment change in general freight and specialized freight trucking, seasonally adjusted, and Cass Freight Index, not seasonally adjusted, January–December 2020
Date Employment change in general freight trucking (thousands) Employment change in specialized freight trucking (thousands) Cass Freight Index (January 1990 = 1)

Jan 2020

4.9 -2.0 1.022

Feb 2020

2.5 -1.0 1.085

Mar 2020

-6.8 -2.3 1.087

Apr 2020

-52.1 -34.1 0.923

May 2020

-4.8 3.9 0.938

Jun 2020

7.1 -2.8 0.971

Jul 2020

1.9 3.5 1.018

Aug 2020

3.6 5.5 1.099

Sep 2020

4.2 -0.7 1.177

Oct 2020

4.7 4.4 1.180

Nov 2020

12.6 1.9 1.154

Dec 2020

2.2 0.7 1.122

Source: U.S. Bureau of Labor Statistics, Current Employment Statistics survey; and Cass Information Systems, Inc.