To set national targets, it’s sufficient to have at least one SKU added to the plan. Simply access the ‘National Forecast’ tab, and you’ll find a table displaying all the SKUs added to the plan along with relevant information.

National Forecast tab
Each SKU added during the configuration process will have a row in the table. The first column of this row will provide details such as the SKU name, its Relevant Market, and the Data Source-Channel combination used for generating the forecast.
First column of the table - SKU | Relevant Market | Data Source | Channel

First column of the table - SKU | Relevant Market | Data Source | Channel
The second header of the table is named Historical Data (Volumes) and is split into 2 halves:

Historical Data columns
For each SKU, the system will present sales data measured in volumes for the last 3 months(regardless of the cycle length) for which data is available. If no data is available for a month, the system will display N/A.
Quarterly average growth refers to the average rate of growth over three months, calculated by the ratio between the sales volumes in the previous quarter and those from two prior quarters:
$$
\text{Average growth}\text{quarterly} = \left( \frac{\sum{i=1}^{3} \text{Sales}{i}}{\sum{i=1}^{3} \text{Sales}_{i-3}} - 1 \right) \times 100 $$
where: