The pie cahrts compare the proportion of working time in office spending on different tasks in the US in 1980 and 2006.
Overall, in the first year the using computer category showed absolute dominance, while using telephone and talking with colleagues accounted for almost identical proportions. The other things category constituted the smallest percentage. Meanwhile, in the second year the using computer category made up the highest proportion, while formal meeting and using paper documents accounted for a similar proportions. In addition, using email categry constituted the smallest percentage throughout the period.
Regarding 1980, using computer accounted for the highest percentage at 35%, while the using paper documents category made up 17%. Meanwhile, using telephones and talking with colleagues constituted 15% and 14%, respectively. The formal meeting category made up 12%. By contrast, the other things category made up merely 7%, which was the smallest proportion in 1980.
In 2006, the using computers accounted for the highest proportion at 35%, while using telephone and talking with colleagues catigories constituted the same proportions at 8% in using telephone categoty and 9% in talking with colleagues category. Meanwhile, using paper documents and formal meeting categories accounted for 15% and 14%, respectively. The other things category accounted for 16%. In addition, the using email category constituted only 3%, which was the smallest percentage throughout the period.