In fact, there will usually only be a few rows of data at which you will ever refer to. The other rows will be used only as a reference. Most of the subjects you report on are simply duplicated from last year. A. Yes, but the statistics are not repeated. This should come as no surprise.
New statistics come out every year.
Nielsen repeats the same data every few months, but TV stations don't drop the service because they got Nielsen numbers once. They get better and worse. B. Besides, quoting antiquated data to a advertisers can be considered by some to be unethical. Stay on our service, and get cutting edge information every month. A superficial look at each row's numbers will tell you which media group is better.