Perceived Ease of Meeting Proof of Identification Requirements (Over Time) Graph

This vertical bar graph is titled "Perceived Ease of Meeting Proof of Identification Requirements (Over Time)." It compares the answers from the 2011 and 2008 federal elections in response to Question 27, "Overall, how easy is it to meet the identification requirements?" The answers are as follows:

Very easy

Somewhat easy

Somewhat difficult

Very difficult