The provided bar graph compares the percentage of males in senior development in IBM, Microsoft, and Apple between 1980 and 2010.
Overall, it can be seen that the proportion of men in senior roles increased considerably in IBM and Microsoft throughout the period, while it was relatively lower in Apple during the same time frame.
According to the chart, the percentage of males in senior development at IBM accounted for nearly 2% in 1980. This figure spiked dramatically to just over 30% by 2000, before peaking at approximately 61% in 2010.
In terms of Microsoft, the share of male participation in senior roles was at around 3% in 1980; this number skyrocketed to nearly 43% by 2010. Notably, Apple had the highest participation at the beginning of the period at about 13%, but over the period it increased moderately to around 25% in 2010, although this was nearly half that of IBM in this year.
