As others have stated, it's fairly apparent that the parent poster wasn't talking about actual numbers, and was painting an example where the number of requests

As others have stated, it's fairly apparent that the parent poster wasn't talking about actual numbers, and was painting an example where the number of requests is meaningless without the scope (i.e. does each request specify one individual, or 20 individuals?). That said, this includes NSLs (National Security Letters) which do not have to go through a court, and which I don't believe there are any published numbers for (either in number of NSLs or their scope).