What is clear is that there is an awful lot of it, and it is growing at a terrific rate (a compound annual 60%) that is speeding up all the time.

不过清楚的是，信息总量大的惊人，并超速增长(年均60%)，增速也在不断增长。

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However and ironically, given how packed the prisons are the clear-up rate for violent crimes in Brazil is still extremely low.

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But since 1989, the clear-up rate has dropped by more than a third.

ECONOMIST: Police: Bruising for a fight | The

The clear-up rate for all recorded crimes was 49%, which matched the previous two years' figures, while the clear-up rate for non-sexual crimes of violence rose from 67% to 72%.

BBC: Kenny MacAskill MSP speaks to a policeman