Current Stock Capacity 

At the moment  the capacity of the 2009 tube stock on the Victoria line is 1164, more than the sub-surface S stock, which is more than a little dubious. The numbers in that column were taken from the old TfL web pages; I've just linked to archives for each one. This is why it says at the bottom of the table "Capacity is based on four passengers a square metre."

However, we can get this information from the FOI data sheets referenced in the article (and listed below)

67TS72TS73TS92TS(Central)92TS(W&C;)95TS96TSDS7S82009TS Maximum observed standing capacity (5 customers per m2)661583570775370552730685853778734 Maximum full load standing capacity (6 customers per m2)793700684930444662875.16821876 Theoretical crush standing capacity (7 customers per m2)92681679810855187731021.41958121811121028 Theoretical design crush standing (E6325 A2) 1174

As the purpose of the table is to compare stock, and we only have figures for 5 and 7 passengers per square metre, we need to go with one of those. I suggest the 7 passengers per square metre figure.