or download this
perl XP_efficiency.pl -r 1 -s age -o desc -l 25
+---------------------------------------------------------------------
+-----------------+
...
| 24 51 FunkyMonk 27,156 Canon (20) 3,615 8.1141
+ 1,024 24.7544 |
| 25 154 soonix 11,097 Prior (17) 1,511 7.9186
+ 508 20.3573 |
+---------------------------------------------------------------------
+-----------------+