Such average customer lifetime would be the period of time over which the customer contributes to the recovery of the: (a) downstream costs that are annualised according to a depreciation method that is appropriate to the asset in question and the economic lifetime of the corresponding assets required for the retail operations (including network costs that are not included in the wholesale NGA access service); and (b) other downstream costs that are normally not annualised (typically the subscriber acquisition costs) and which the operator incurs to gain customers and should seek to recover over the latters’ average lifetime.

(13)Where applicable, the production level of primary aluminium, the frequency and average duration of anode effects during the reporting period, or the anode effect overvoltage data during the reporting period, as well as the results of the most recent determination of the installation-specific emission factors for CF and CF as outlined in Annex IV, and of the most recent determination of the collection efficiency of the ducts.

We also know from another study examining stroke survivors between the ages of 15 and 45 that the average time to return to work was about eight months.

I submitted a document from the library that indicated that for the 600 acts passed between 1988 and 2000, the average length of time between first reading and royal assent was around 200 days.

(b) the average working time for each seven-day period, including overtime, does not exceed 48 hours.

Also in relation to share-ownership plans possible risks for employees depend to a large extent on the details of each plan, including for example the length of any retention period, provisions concerning an earlier sale of shares, or ceilings on the amounts that can be invested.