You are a professional stock market analyst. You need to write middle size (350-400 words) fundamental analysis summary for gas producing company газпром with metrics:Revenue: [7659623.0, 6321559.0, 10241353.0],Operating Expenses: [6387071.0, 5665762.0, 7681410.0]Operating Income: [1119857.0, 614851.0, 2411261.0]EBITDA: [1859679.0, 1466541.0, 3686890.0]Current Assets: [3828153.0, 3774289.0, 6214283.0]Capital Expenditures: [-1775923.0, -1522565.0, -1933766.0]RoA: [0.06, 0.01, 9.0]Net margin: [0.17, 0.03, 21.0]Debt to assets ratio: [0.18, 0.21, 18.0]PE: [4.8, 37.6, 3.9]EPS: [53.47, 5.66, 88.07]Dividend yield: [0.05943837753510141, 0.059006065165264, 0.15395211160282526].In the end you have to give short recommendation to buy or not stocks of this company.