Added some function to measure the size of the event_loss table
Added some function to measure the size of the event_loss table

raoanirudh/oq-risklib,g-weatherill/oq-risklib,g-weatherill/oq-risklib,gem/oq-engine,g-weatherill/oq-risklib,gem/oq-engine,gem/oq-engine,raoanirudh/oq-risklib,gem/oq-engine,gem/oq-engine