In 0.55 release of 
:
- added Export to **CSV ** any data.
- Export consider choosen dates
- Export consider settings filters
On Every page of my system appear new button: 
Use this button to get raw data of choosen date range or filter settings.
Delimiter = ";"
With this new function You can get in CSV format:
- Author's rewards
- Curation`s rewards
- Transactions
- Steem Power Down
roadmap:
Monthly statistic for author's and curation's rewards(Done, more info...)Weekly statistic for author's and curation's rewards(Done, more info...)Steem power down statistic(Done, more info...)Full history of Account wallet with filters(Done, more info...)- Wittness SP rewards
- Benefactor SP rewards
- rework post and authors rewards (to show together)
- more graphs and charts
Thank you for reading and for supporting my work!
by @semasping