The table describes the proportion of people asked to answer two sorts of survey question about communication skills in world job between 1991 and 2006. Overall, in the first year, the correspondents tended to pick out external communication skill as the predominant factor in supporting an occupation. Again, it still became indispensable determinant for working over the 9 - year period.
Regarding to data, the proportion of people who selected external communication skill as the essential point in a job increased slightly by approximately 5 percent in three of several items. Meanwhile, the other figure, selling a product or service, presented a minimal drop, from 24% to 21% over during 1991 to 2006.
In terms of internal communication, all of figures experienced a growth in over the time frame. At first year, listening carefully to collegues was the highest figure at 38 percent and rose to 47 percent in 2006. In contrast, as the lowest proportion, 7% of making speeches or presentations increased to 11% over the following period.