6band
The charts below show the percentages of time used on different activities in an American office in 1980 and 2006. The two pie charts compare the time cost of some activities when people working in office in 1980 and 2006. Obviously, computers become more importance during these decades and in 2006 the workers spend the most time in using it.
In 1980, half of the time in the office was occupied by paper documen...