Originally Posted by Vince

In case anyone's interested, pretty much all 40ths were built between December and February:

+-------+-------------+-----------------+-----+
| Prod  | VIN         | Range           | Num |
+-------+-------------+-----------------+-----+
| 12/09 | JN1AZ4EH_AM | 501627 - 501817 | 184 |
| 01/10 | JN1AZ4EH_AM | 501819 - 502520 | 622 |
| 02/10 | JN1AZ4EH_AM | 502522 - 502758 | 194 |
+-------+-------------+-----------------+-----+

There were a few built outside that range, but these are the 1000 for North America (US).

(sorry to thread-jack)