Demographs app for iPhone and iPad

Demographic Information Report
A Free Simple Demographic Report for Water Service Areas.
Version 1.1.5

This app queries data query via .NET Restful WCF.
User can review service agency demographic information via mobile app.
The iPhone queries demographic data based on service agencies. It will show population and service area per agency.
From GUI input, user could select multiple agencies from table view, year range from pickers, and report type as inputs parameters.
When user pick Summary report type, it returns Summary data and also show Graph(Core Plot) information.
With Details report, it returns detailed data based on selected agencies. 
This app design uses ARC storyboard design. Navigation between views uses segue, singleton, and also delegation.
For data provider, it parses Json response from .net Restful WCF service hosted in IIS server. The relational database is MS SQL. The WCF service interface with database through stored procedures calls.

+ User can input agencies, date range, and report type
+ Output presents tabular data
+ Output also presents chart bar for visualization