Artificial Boy

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Second Life Last Name Usage Figures Grouped By Last Name Length. For the number of last names contributing to each group, see Length Distribution of SL Last Names.

mysql>
SELECT LENGTH(last_name) AS len, SUM(usage_count), AVG(usage_count)
  FROM last_names
 GROUP BY len;
+-----+------------------+------------------+
| len | SUM(usage_count) | AVG(usage_count) |
+-----+------------------+------------------+
|   2 |           123563 |        4412.9643 |
|   3 |           422033 |        2542.3675 |
|   4 |          1910360 |        2966.3975 |
|   5 |          2680595 |        2177.5751 |
|   6 |          2847973 |        1633.0120 |
|   7 |          2291388 |        1342.3480 |
|   8 |          1848338 |        1574.3935 |
|   9 |           982622 |        1308.4181 |
|  10 |           545722 |        1491.0437 |
|  11 |           184255 |        1109.9699 |
|  12 |            67832 |         892.5263 |
|  13 |            13924 |         409.5294 |
|  14 |              895 |          25.5714 |
|  15 |             1159 |          46.3600 |
|  16 |               26 |           1.0400 |
|  17 |             1172 |          68.9412 |
|  18 |                2 |           0.0385 |
+-----+------------------+------------------+
17 rows in set (0.19 sec)

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