-Then, if applicable, follows one of the following indications:
-<% join ', ', map { "<strong>$_</strong>" } qw(tt t m b bb) %>
-indicating whether the commodity is in the top, 2nd, middle,
-2nd-to-last or bottom fifth of the list of commodities of the same
-class, respectively.
+
+Then, if applicable, follows a number from <strong>0</strong> to
+<strong>9</strong> indicating roughly where the commodity is in the
+list of commodities of the same class. The number indicates which
+tenth of the list is: <strong>0</strong> for the first (top) tenth,
+<strong>1</strong> for the 2nd, and so on, up to <strong>9</strong>
+for the final tenth.
+