Here's an example of Google+ Analytics via Social Report:

Google+ Stats Summary:

Google__Stats_Summary.jpg

Google__Analytics_via_Social_Report.jpg

Google+ Activity Timeline:

Google__Activity_Timeline_.jpg

Activity and Engagement Distribution by Type:

Activity_and_Engagement_Distribution_by_Type_.jpg

Best Performing Posts:

Best_Performing_Posts_.jpg

Top Authors By Total Engagement:

Top_Authors_By_Total_Engagement.jpg

Places Where Your Followers Live:

Places_Where_Your_Followers_Live.jpg

+1 Activity Timeline:

_1_Activity_Timeline_.jpg

Top Users By Number Of Times They +1ed Your Content:

Top_Users_By_Number_Of_Times_They__1ed_Your_Content_.jpg

Top Posts By Number Of Times It Was +1ed:

Top_Posts_By_Number_Of_Times_It_Was__1ed__.jpg

Top Post Authors By Number Of Times Their Posts Were +1ed: 

Top_Post_Authors_By_Number_Of_Times_Their_Posts_Were__1ed__.jpg

Post Volume And Performance By Engagement Type:

Post_Volume_And_Performance_By_Engagement_Type__.jpg

Post Publishing Timeline:

Post_Publishing_Timeline__.jpg

Posts:

Posts.jpg

Commenters:

Commenters__.jpg

Follower Growth:

Follower_Growth_.jpg

Audience:

Audience_.jpg

Audience Follower Distribution:

Audience_Follower_Distribution_.jpg

Employment_and_Education.jpg

Geography:

Geography.jpg