Productivity per employee: EBIT, revenue (turnover) or profit divided by the number of employees (or FTE), with alternative indicators for non-governmental and non-profit organizations; ISO/TS 30432 elaborates it for 4.7.8 with formulas, purpose, contextual and predictive factors and three to five periods for trend. An adopter's index quotes Table 2 as recommending it for public disclosure by large organizations.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.