Net operating surplus and net operating income

Cataluña is the top region by net operating surplus and net operating income in Spain. As of 2009, net operating surplus and net operating income in Cataluña was 29,366.7 millions of euros that accounts for 17.38% of Spain's net operating surplus and net operating income. The top 5 regions (others are Andalucía, Comunidad de Madrid, Comunidad Valenciana, and Castilla y León) account for 64.12% of it. Spain's total net operating surplus and net operating income was estimated at 168,936 millions of euros in 2009.