Here's a table showing the number of backers and the pledged dollar amount for the top Arab backer countries:
Only lately Kickstarter started allowing projects from a select few countries outside the US to run on its platform. Luckily Zoomal has been doing a great job as the leading crowdfunding platform in the Arab world, it would be interesting to see and compare how much money has been raised vs. spent in the Arab world on crowdfunded projects.
source: https://www.kickstarter.com/year/2014/data