有没有大神能帮我看看该怎么填

这是失业金的表格，坐标芝加哥
most recent start date for this employer
我五年前开始在这里工作
下一个问题：between most recent start date and last day worked in this employment period, how many days have you worked for this employer
总觉得这个period指的不是我几年前第一天开始工作的那天但是我不确定，请问该如何理解？
谢谢