I. GENERAL DESCRIPTION
II. ORGANISATION OF THE ELECTRONIC EDITION
2.1. Software 2.2. Presentation of the files
2.2.1. List of tables
2.2.2. Geographical coverage
2.3. Notes
2.4. Abbreviations
III. STATISTICAL CONTENT
3. 1. Definitions and coverage
3. 2 National specifications
3. 3 Sources