21. Nearly one-fifth of Russians are living beyond subsistence level , the State Statistics Committee reported Tuesday. 22. But months later, payments still are delayed and average income is below the subsistence level . 23. Many small businesses operated by people in developing countries fail or exist on subsistence levels . 24. They moved to the mainland to their existing village site to improve their subsistence levels . 25. They are not investing well and leagues of them may be retiring at subsistence levels . 26. The family later moved to Esk Island, lower Clarence River, where they farmed at subsistence level . 27. Karen families operate on a subsistence level , growing enough rice and vegetables for their own use. 28. Rice cultivation is seen mainly at subsistence level . 29. Agriculture is mainly on a subsistence level , the principal crops being coconuts, root crops, and bananas. 30. Standards of living have fallen to subsistence levels .