6.51 - In your main job, what was the monthly gross income (earnings) that you usually earned in July 2010?
Depending on the situation, record:
2 - Only benefits (housing, food, training, etc.): A person who, in the main job, has been paid exclusively in benefits (housing, food, clothing, transportation, training, etc.), that is, was not paid in cash.
0 - No income: A person who did not get any type of income from the main job on the week of reference.