Tens of thousands of workers can now make claims from their employers backdated to as long ago as 1998.

成千上万工人，以至1998年以前，要求雇主赔偿损失。

You can actually backdate years as well.

您实际上也以回年份。

That was retroactively backdated, but that has not been made public by the government.

那，但政府还没有公开。

We published it because we've seen the data that actually backdates the first case.

我发布它因为我已经看到了实际回第一个案例数据。

They have now backdated, at least publicly backdated, the first case to December 1.

现在已经将第一个案例日期回，至少公开回到 12 月 1 日。