They can do it on rare occasions, or they can do it whenever they feel like it, or they can do it regularly; it's often done quarterly.

他们可以偶尔为之,也可以在任何时间发放,或者定期发放,一般是一季一发

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Judging by these numbers, not often - Allianz's quarterly operating was 2.4 billion euros in Q2 2012.

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Over the last couple of years, quarterly earnings season was often followed by a stall after stocks were bid up previously.

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At the moment, the PBOC issues long quarterly reports on monetary policy, often couched in general terms, but its efforts to communicate are far more sparse than at other central banks.

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