This could be a very valuable tool.
For example, if this is kept up to date, it could reveal growth in the number of TLM’s being offered. One of the things critics of Pope Benedict and Summorum Pontificum say is that only a "tiny minority" of Catholics are interested in the older form of Mass. Some bishops say that they don’t foresee that anyone in their dioceses will want the TLM.
We should keep track of what is going on!