The Mexican government has released a database it says covers all murders presumed to have a link to the country's drug wars in which at least seven different cartels are fighting each other and federal forces deployed in a massive offensive against them launched in December 2006.
The number of deaths has risen rapidly since then to total 34,612 up until the end of 2010, by far the most violent year so far with 15,273 people killed.
The database is the most detailed official picture of the drug wars yet made public, showing the geographical distribution of the violence down to the municipal level.
While no region has escaped, the killing is seen as particularly intense in northern and Pacific coastal states.
Ciudad Juarez, just across the border from Texas, has been the most violent city since 2008 despite also have the heaviest federal presence.
The figures released do not specify how many of those killed are presumed to be related to the cartels, how many belonged to the security forces, or how many were innocent civilians dragged into the horror.
The data is very detailed - download the attached sheet for a breakdown by different types of murders and for each town.
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