andika06 11 / 10 3 Jan 19, 2016 #1A breakdown of the percentage of communication abilities assumed by workers was extremely imperative according to two different investigations in 1997 and 2006 is displayed in the table. Overall, external interaction skills are more crucial for labors while, the internal communication shows a reverse.To begin with external interaction abilities, dealing with people recorded the highest percentage over the period which it reached 60% in 1997 and increased to 65% in 2006. Following this, around 36% of workers chose advertising or caring for costumers or client as the important skills in the early period, but after 9 years this went up slightly by 3%. The equal rise is also presented by knowledge of particular products or services. It climbed from 35% to 41% in the end of period. Next, the lowest percentage is showed by selling a product and services reaching just under a quarter during the time frame.Turning to internal communication, the first rank of the essential competences is listening carefully to colleagues. In 1997, this proportion reached nearly four in ten, then this inclined significantly to virtually a half in 2006. The second rank is represented instructing or training people. Initially, this proportion is recorded merely one in four in initial period and rose to three in ten in the second survey. Afterwards, the other skills saw the percentages in which those were below 30% in each survey.