The given 
line
 graph demonstrates the work staff Use synonyms
hiering
 in the five different sections of Correct your spelling
hiring
economy
 over 80 years between 1930 and 2010 in the United States of America. The intended economic sectors consist of industrial, agriculture, fishing and foresting,technical and other services sectors. 
Add an article
the economy
Overall
, with a rapid Linking Words
glance
 it is Add a comma
glance,
obviousely
 detectable that the group which Correct your spelling
obviously
include
 Correct subject-verb agreement
includes
agriculture
 sector went on a different pattern from the beginning to the end of the time span of Correct article usage
the agriculture
studym
 Correct your spelling
study
while
 other groups Linking Words
follow
 the same  stable pattern in the first half of Wrong verb form
followed
duration
 and in the latter one all except Correct article usage
the duration
from 
other services group experienced a slight rise Remove the preposition
apply
untill
 the end point of their graphs. 
Moving to the details of Correct your spelling
until
light
 blue Add an article
the light
line
Use synonyms
,
 shows that the rate of Remove the comma
apply
employement
 in Correct your spelling
employment
farmingm
 fishing and foresting part was almost stable from 1930 to 1960 Correct your spelling
farming
whith
 Correct your spelling
with
which
subtle
 decreasing Correct article usage
a subtle
frome
 just less than 80 Correct your spelling
from
employer
 to just above 60 individuals. Afterward 1960, the Change to a plural noun
employers
hiering
 Correct your spelling
hiring
hearing
work force
 in these sections slumped sharply to reach just a bit above zero Correct your spelling
workforce
at
 2010. 
Diving into the other Change preposition
in
line
 of the graphs reveals that despite the purple Use synonyms
line
, which is related to other services employment, and Use synonyms
remain
 approximately stable Correct subject-verb agreement
remains
around
 10 over Change preposition
at around
whole
 80 years,  the others after 1980 changed towards the more number of Correct article usage
the whole
hierd
 cases which ended to 20, 30, and just less than 40 in green, red, and dark blue lines respectively.Correct your spelling
hard
hired