Numbers next to customer menus of Deliveries, Tanks, Locations, Appliances indicate the count of those items.
For example:
Deliveries 7 indicates that there are 7 deliveries that have not been delivered for this customer.
Tanks 5 indicates that there are 5 total tanks for this customer.
Locations 2 indicates there are 2 Locations for this customer.
Appliances 4 indicates there are 4 total appliances for this customer.