The paper points out, at that time the pawnbroking mostly distributed at the north and the south west of the central city and the city gate of Chang.
研究显示：清末民初苏州的典当业主要集中于北部和西南部中心城区以及阊门一带。
2
The N-shaped curve is the result of Hui merchants capital influx from farmland into salt industry and pawnbroking during Jiajing era, and the reverse flow during Wanli era.