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Qatar achieved a budget surplus of QAR7.1 billion in the first half of this year, equivalent to 2.1% of GDP.
According to the Central Bank of Qatar, the budget revenues by the end of last June amounted to 105.4 billion riyals, against a public expenditure of 98.3 billion riyals. Qatar estimated a deficit of QAR28.2 billion in the fiscal year 2018, with a conservative reference price of $45 a barrel.
On the other hand, local liquidity in Qatar has decreased the "money supply" to 565.6 billion riyals at the end of the third quarter of this year, and by 3.5% on an annual basis.
At the end of September, domestic liquidity represented QAR11.1 billion of the money in circulation and QAR 112.5 billion of demand deposits, while the cash, which includes term deposits, was equivalent to 442 billion riyals.
International reserves and foreign currency liquidity in Qatar Central Bank reached 46.5 billion dollars at the end of the third quarter of this year, an increase of 31% year-on-year.

Source (CNBC Arabic site, Edited)