Given double pie chart reveal statistics in the time usage in US offices with two decades different from 1980 till 2000 year recorded.
In general, phone usage keep still dominance in both charts given, in contrast small seeming computer time spending field grow to become biggest time taker in second pie chart. Matter to mention the downfall of meeting and paper documents time spending in details falling double its percent.
Surprisingly being super unsteady, 1980 been dominating by phone gaining one of third of whole graph, albeit unpredictable downfall happened ,by falling almost twice from 30% till 17%. Other major highlights are paper documentation(20%) and meetings (19%) going head to head for second place, ironically both declined by almost half so then in 2K become outsiders.
In 2000th world time usage change dramatically, with computer field capturing dominance with enormous 30% from only 2% 20 years before. Samely keeps their percentages other activities and Face to face communication, by staying at 15% and 14% in each graph
