There is full coverage.
Accounts of central and local governments. Annual accounting reports from approximately 500 public corporations.
Account information from central and local government are received by electronic transfers while information from the public corporations comes via questionnaires or submission of financial statements.
The account information is checked for errors. The figures are compared with earlier account information.
Data covers the full population so enumeration is not necessary. If account information from a public corporation is delayed then key indicators are used together with last year information.
No corrections to data is made other than those already described.