Saudi Arabia's budget dependence on oil (many sources)
Saudi Arabia's fiscal position is highly dependent on oil prices. The deficit has increased in the recent past, but with the recovery of oil prices Saudi Arabia is in a better fiscal position: http://www.reuters.com/article/saudi-economy-budget-idUSD5N17S01X and http://www.independent.co.uk/news/business/news/saudi-arabia-budget-deficit-53-billion-kingdom-oil-production-dependent-opec-a7490916.html