What should be generic KPIs for Procurement Department ?

Generic KPI in Procurement in given period of time are as follows

1.  Number of Purchase order  and number of service contract issued
2. Total value of purchase order /Service contract volume
3. Actual delivery time vs, target delivery time as written in PO(Average % of delay in delivery)
4. Actual expenditure vs. Budgeted cost 
5. Customer Satisfaction