The table below shows the percentage participation of women in senior management in three companies between 1975 and 2015. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The table illustrates the participation of women in senior management as percentage for three seperated companies during the year 1975 to 2015. In general, the value in the table started off low before simuteneously increased. To begin, in 1975, the orgaization with the highest ratio is Finsbury Ltd, having the value reached up to 16%, meanwhile the lowest being Eldan Ltd which only arrived at 3%, followed by Bamforth Ltd at 9%. In the year of 1980, Eldan's participation rate still remained the same, however, Finsbury's was dropped by 2%, unlike Bamforth which increased at the same rate. The changed in the trend occured during 1990 where Eldan achieved the highest percentage of female senior management at the rate of 28%, along with Bamforth at 15% and Finsbury at 22%. The pattern continued until 2015 where Bamforth made a remarkable rise which increased their rate from 17% to 46%, unlike Finsbury which is nnow the lowest among the three with the precentages of 26%