The bar chart below shows the percentage participation of men in senior development in three companies between 1980 and the year 2010 . Summaries the information by selecting and reporting in the main features, make comparisons where relevant .

The given bar chart illustrates the proportion of attendants who contributed to the development

in

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3 technological companies from 1980 to 2010.

Overall

, it can be seen that the male

participants

saw an upward trend in all businesses throughout the timeframe,

however

, there are more

IBM's

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IBM

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employees than others.

Additionally

, even though most of the

participants

came from Apple business when it comes to the previous years of 1990, it was replaced by

IBM

in

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15 years later. With regards to the first 2 companies which had

highly

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attendants,

IBM

as well as

Microsoft made up about 5% and 6% of the employees by 1980, respectively. As for the

IBM

's

participants

, it increased sharply until 2010 with roughly 64%. In terms of

the

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Microsoft's attendants, it rose steadily to 15% by 2000 before exceeding Apple in the

last

10 years by around 45%. Turning the focus on the

remainning

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remaining

company

where

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which

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it

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comprised

of

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nearly 15% of the workers at the

begining

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beginning

. Meanwhile, Apple's

participants

then

rose

up

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slightly to reach a minor peak of 21% by 1995 before going up to 25% by the end of the period.