Template:(Dis)establishments in year category header

{{Documentation|content=To make a category of the form "YYYY establishments" or "YYYY disestablishments", where YYYY is a year

e.g.
 * Category:6 establishments
 * Category:95 establishments
 * Category:727 establishments
 * Category:1842 establishments
 * Category:9 disestablishments
 * Category:420 disestablishments
 * Category:525 disestablishments
 * Category:2013 disestablishments

Usage
No parameters needed