Tariff View and Export Raw Data option within Quick Search allows you to query TRAINS/WTO IDB/CTS database to retrieve all or one type of duties applied to all countries (markets). If you select a tariff type including ad-valorem-rates, you would also have to select from the any of the 4 available calculation methods (UNCTAD 1 and 2, WTO 1 and 2).
Select Tariff - View and Export Raw Data sub-menu under Quick Search menu.
In the query selection screen go from top to down selecting the following query dimensions.
Click on View Report to get the report Column Selection Screen or Download to get the Download job
To customize your query result:
You can use the Up and Down button to order your column selection in the Selected Columns section. To sort the data by a particular column ensure the column is first in the Selected Columns section. On selecting a column name you also get a brief description of the column below.
WITS Online Help
The World Bank, 2010