Complete problem using data provided below

year,deficit,g,yield_x000D_
1729,-0.7,,3.24_x000D_
1730,-0.9,,3.3_x000D_
1731,-0.9,,3.12_x000D_
1732,-1,,3.03_x000D_
1733,-0.6,,3.09_x000D_
1734,0.9,,3.19_x000D_
1735,0.2,,3.19_x000D_
1736,-0.2,,2.86_x000D_
1737,-1.1,,2.83_x000D_
1738,-1.1,,2.86_x000D_
1739,-0.4,,3.06_x000D_
1740,0.7,,3_x000D_
1741,1.5,,3.03_x000D_
1742,2.3,,3_x000D_
1743,2.8,,2.97_x000D_
1744,3.1,,3.24_x000D_
1745,3.1,,3.53_x000D_
1746,4.1,,3.41_x000D_
1747,4.8,,3.66_x000D_
1748,5,,3.41_x000D_
1749,3.9,,2.97_x000D_
1750,-0.4,,3_x000D_
1751,-0.5,,3.03_x000D_
1752,-0.3,,2.86_x000D_
1753,-1.2,,2.87_x000D_
1754,-0.6,,2.9_x000D_
1755,0.8,,3.13_x000D_
1756,2.7,,3.36_x000D_
1757,3.2,,3.34_x000D_
1758,4.9,,3.25_x000D_
1759,6.9,,3.63_x000D_
1760,8.3,,3.68_x000D_
1761,9.7,,3.92_x000D_
1762,8.6,,3.97_x000D_
1763,5,,3.36_x000D_
1764,0.5,,3.53_x000D_
1765,0.7,,3.37_x000D_
1766,0,,3.36_x000D_
1767,-0.3,,3.37_x000D_
1768,-0.9,,3.3_x000D_
1769,-1.1,,3.39_x000D_
1770,-0.7,,3.62_x000D_
1771,-0.5,,3.44_x000D_
1772,-0.3,,3.39_x000D_
1773,-0.5,,3.46_x000D_
1774,-0.7,,3.4_x000D_
1775,0.2,,3.38_x000D_
1776,2.5,,3.56_x000D_
1777,3.1,,3.83_x000D_
1778,4.5,,4.71_x000D_
1779,5.7,,4.88_x000D_
1780,7,,4.9_x000D_
1781,7.5,,5.12_x000D_
1782,8.1,,5.15_x000D_
1783,6.3,,4.72_x000D_
1784,6.5,,5.08_x000D_
1785,4.9,,4.94_x000D_
1786,0.6,,4.07_x000D_
1787,-0.5,,4.01_x000D_
1788,-0.3,,4_x000D_
1789,-0.3,,3.91_x000D_
1790,-0.2,,3.89_x000D_
1791,-0.4,,3.68_x000D_
1792,-0.4,,3.33_x000D_
1793,1.8,,3.96_x000D_
1794,6.3,,4.44_x000D_
1795,8.6,,4.52_x000D_
1796,10.5,,4.82_x000D_
1797,12.8,,5.76_x000D_
1798,7.2,,5.93_x000D_
1799,4.9,,5.09_x000D_
1800,5.8,,4.7_x000D_
1801,6.4,,4.9_x000D_
1802,3.8,,4.23_x000D_
1803,3,,5.08_x000D_
1804,3.3,,5.25_x000D_
1805,4,,5.07_x000D_
1806,3.1,,4.89_x000D_
1807,1.9,,4.77_x000D_
1808,2.2,,4.52_x000D_
1809,2.6,,4.38_x000D_
1810,1.6,,4.41_x000D_
1811,3.3,,4.67_x000D_
1812,4.8,,5.01_x000D_
1813,6.7,,5.05_x000D_
1814,6.7,,4.52_x000D_
1815,3.8,,5.04_x000D_
1816,0.4,,4.81_x000D_
1817,0.2,,3.99_x000D_
1818,-0.4,,3.85_x000D_
1819,-0.1,,4.19_x000D_
1820,-0.3,,4.38_x000D_
1821,-0.7,,4_x000D_
1822,-0.8,,3.76_x000D_
1823,-0.9,,3.78_x000D_
1824,-0.8,,3.21_x000D_
1825,-0.6,,3.39_x000D_
1826,0.2,,3.81_x000D_
1827,0.2,,3.58_x000D_
1828,-0.6,,3.51_x000D_
1829,-0.3,,3.39_x000D_
1830,-0.5,13.7,3.39_x000D_
1831,0.2,13.3,3.72_x000D_
1832,-0.1,13.7,3.61_x000D_
1833,-0.3,13.5,3.43_x000D_
1834,-0.3,12.6,3.33_x000D_
1835,2.8,11.9,3.32_x000D_
1836,0.2,11.6,3.35_x000D_
1837,0.1,12.1,3.31_x000D_
1838,0.1,12,3.23_x000D_
1839,0.3,12.1,3.29_x000D_
1840,0.3,13.2,3.35