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Stats @ 22,000 sales

10 Feb 2011

Yesterday we reached 22,003 records of completed sales from eBay and other sites in the BDKR database.

So, here is a quick presentation of the vital statistics, with changes since 21,000 sales:

The sales have resulted from 42,620 auctions started, so the success ratio (i.e., auctions resulting in a sale) is 51.63%, still trending downwards. The number of successful auctions per month continues to fall, and is now at 278.8, from 283.5 after 21,000 sales.

There are 1049 different editions and variants listed separately at BDKR.com. Of those 958 have appeared in at least one successful sale, up from 955 last time. Of the 958 editions seen, 69 (70) have appeared once only.

The most sold edition is, as before, Great Britain 7 (1910) with 177 sales (165 last time). Generalgouvernment is the most sold German edition and has picked up to 169 sales (last time 159). The best-selling French edition is as before Sud-Est de la France 9 (1910), now on 78 sales (77 last time). Of the 22,003 books, 9666 (43.9%) were in German, 8922 (42.6%) in English and 2967 (13.5%) in French - which is within 0.1% the same as last time. So it remains a steady rule, as it has from inception, that out of seven sold books, three are in German, three in English and one in French.

The total sale price for the books was €730,178.52, giving an average price of €33.19, which continues the now very slowly falling trend. If all the books had gone for their BDKR guideline price, the total sales would have been €1,827,590, so the ratio is has just crept down a fraction under 40.0% from the previous 40.2%.

The average number of bids per sold book remains at 5.2. As ever, just treat these stats as a bit of fun - my statistics training is non-existent. The stats also appear in shortened form every day on the stats page. If you'd like some other data, please feel free to ask!

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