count-type Count Type
Names what is being counted by the <count> element, for example, images, contributors, algorithms, etc.
This attribute may describe countable objects (for example, images, lemmas, or algorithms) for which there is no specifically named counting element. Alternatively, though not recommended, this attribute may be used with the <count> element and a value such as “figures”, replacing a named counter such as <fig-count>. The predefined counting elements should be used in preference.
... <counts> <count count-type="contributors" count="3"/> <fig-count count="5"/> ... </counts> ...