求翻译：据统计从1940年至1950年这10年间，从事上述职业的华人由8300人增至1540人，改变了他们父辈单纯从事体力劳动和手工业的职业状况。是什么意思？

According to statistics from 1940 to 1950 for 10 years, engaged in the occupation of the Chinese people from the 8300 to 1540 people, simply changed their fathers engaged in manual work and handicraft of occupational status.

According to statistics from 1940 to 1950, this 10 years engaged in the above career of Chinese from 8300 to 1540, who changed their fathers simply engaged in manual work and handicraft occupational status.

According to the statistics from 1940 to 1950 during this 10 years, the Chinese people who was engaged in the above occupation increases to 1540 people by 8300 people, changed their person of father's generation to be engaged in the physical labor and the handicraft industry professional condition p

According to statistics from 1940 to 1950, these 10 years, of the Chinese increased from 8,300 people in these occupations from 1540, changed their fathers simply engaged in manual work and handicraft industry of occupational status.

According to statistics from 1940 to 1950, these 10 years, of the Chinese increased from 8,300 people in these occupations from 1540, changed their fathers simply engaged in manual work and handicraft industry of occupational status.