The bar chart depicts how many men participated in senior development in three companies from 1980 to 2010.
Overall, the figure for IBM and Microsoft rose steadily over the period; however, IBM experienced the most participation between 1995 and 2010. Apple, on the other hand, rose gradually.
IBM, despite experiencing the lowest level from the first 10 years, outweighed both senior development by 1995, and continued increasing. By 2010, it had reached nearly proportion of 65, despite being 3 percent in 1980. Microsoft, on the other hand, despite growing steadily could not outbalance both developments until 2000. In 2010, it only had outweighed Apple, reaching 45 percent.
The figure for apple, regardless off experiencing the highest proportion during the first 15 years, by 1995, the figure for IBM had preponderated Apple, and both IBM and Microsoft had outweighed Apple in 2010. During all period shown Apple fluctuated.
