Take the following as truth: Now let us turn to columns in Table 1. Columns (1), (3), (6), and (9), labeled Volume show, in millions, the total First-Class Mail pieces broken-down by sector for FYs 1987, 1990, 1993 and 1997, respectively.
Then the following statement: "There is not enough data to supply information from previous years." is true, false, or inconclusive?
Answer: Inconclusive