You have to be careful when reading the data, because the missing observations are just coded as special numbers, and you might process the data as if it were actual accounting data rather than a missing observation code. Code Meaning -0.001 Data not available. Not Meaningful -0.004 Combined Figure. This item is combined into another data item. If the data is only available on a semi-annual basis, then this code appears in the first and third quarter.
Actual data appear in the second and fourth quarters.