The chart presents the proportion participation of men in senior development in three companies from 1980 to the year 2010.
Overall, the chart flows in an organized pattern through out the period. IBM seems to overtake the whole position, however, Apple and Microsoft also show a continuing growth in the given years.
In 1980, IBM started off at about 1%, therefore it steadily increased until it have reached about 31% in 2000, right before it experienced a considerable rise in 2010 that stopped at approximately 63%. Microsoft stood at about 8% in 1980, however it gradually went up through the years, but in 2000 it made it to just about 12%. Furthermore, it finally grew up to around 45% in 2010.
Apple had the highest initial point, where in 1980 it stood at about 15%. It continued to modestly increase, until it have reached 20% in 1995, right after it went down to about 18% in 2000. Finally, ending it with a soar to about 22% in 2010.
