I don't think this means what they think it means: a _lot_ of job postings get filled before they get counted. Think about it, there have been a lot of layoffs. Many of these people have friends that can refer them to jobs before they are posted.
A better graph would be of the number of people who self-report as being employed as software developer. I doubt that would show the same decline--there have not been many stories of people abandoning the profession because they could not find employment...
A better graph would be of the number of people who self-report as being employed as software developer. I doubt that would show the same decline--there have not been many stories of people abandoning the profession because they could not find employment...