Record

EN set release date, 1 March 2009 | 2009 | year to February 2010 (Mar 2009-Feb 2010) | print-year Apr 2008-Mar 2009

1 March 2009 1 March 2009 | 2009 | year to February 2010 (Mar 2009-Feb 2010) | print-year Apr 2008-Mar 2009

EstimateOur model or estimate. Treat it as an order of magnitude.

Where it comes from

The line in the source

"id": "pop9", "name": "POP Series 9", "series": "POP", "printedTotal": 17, "total": 17, "releaseDate": "2009/03/01"