Wait, I did the maths.
On average we post just under half a page a day.
USSR post closer to 0.4 pages a day.
At these speeds it would take us 38 days to reach 100, but USSR would only need 22 and a half days. So they would reach the target 15 and a half days before us.
Attached: My working out
-Warning, will miss out valid parts of information such as what operation is being used. You may also find that in some cases - does not mean subtract,-