external tool to get the statistic data

hello,

 

some of our customers want to know, how many bytes, packets etc. passed their virtual server. So i can see in the loadbalancer the statistic of every virtual server with this data. but i don't know how "old" the statistic is and sometimes i forgot to reset / to export the data...

 

is there any possibility to export automatically every 1.st in the month all data to an csv or whatever ? Or is there any external / internal tool to get this data and work with them ?

 

BIG-IP 11.5.1 Build 8.119.175 Engineering Hotfix HF8 BIG-IP 5000 series

 

Many thanks