为自己加油

Correct or improve the translation of the following English sentences.原文：As far as the workforce is concerned, the growth of self-employment has nearly doubled in the UK over the past 25 years. 译文：就劳动力而言，英国的个体经营者的数量在过去25年中翻了近两倍。改译：

就劳动力而言，英国的个体经营者的数量在过去25年中翻了将近一番。