| 1 | A | B | C | D |
| --- | --- | --- | --- | --- |
| 2 | revisions to income-based gross domestic product components |  |  |  |
| 3 |  | revised average level | previously published average level | average revision |
| 4 |  | millions of dollars |  |  |
| 5 | average 2013 to 2015 |  |  |  |
| 6 | compensation of employees | 994,953 | 994,994 | -41 |
| 7 | gross operating surplus | 527,815 | 521,574 | 6,241 |
| 8 | gross mixed income | 222,867 | 223,650 | -783 |
| 9 | taxes less subsidies on production | 83,913 | 83,160 | 753 |
| 10 | taxes less subsidies on products and imports | 125,358 | 125,991 | -633 |
| 11 | gdp at market prices | 1,955,614 | 1,949,508 | 6,106 |
| 12 | 2013 |  |  |  |
| 13 | compensation of employees | 961,179 | 962,100 | -921 |
| 14 | gross operating surplus | 518,267 | 511,461 | 6,806 |
| 15 | gross mixed income | 216,355 | 216,480 | -125 |
| 16 | taxes less subsidies on production | 81,301 | 80,656 | 645 |
| 17 | taxes less subsidies on products and imports | 120,319 | 120,019 | 300 |
| 18 | gdp at market prices | 1,897,531 | 1,892,193 | 5,338 |
| 19 | 2014 |  |  |  |
| 20 | compensation of employees | 997,998 | 998,586 | -588 |
| 21 | gross operating surplus | 553,497 | 543,051 | 10,446 |
| 22 | gross mixed income | 221,340 | 222,245 | -905 |
| 23 | taxes less subsidies on production | 84,358 | 83,422 | 936 |
| 24 | taxes less subsidies on products and imports | 125,003 | 126,127 | -1,124 |
| 25 | gdp at market prices | 1,983,117 | 1,973,043 | 10,074 |
| 26 | 2015 |  |  |  |
| 27 | compensation of employees | 1,025,682 | 1,024,296 | 1,386 |
| 28 | gross operating surplus | 511,680 | 510,210 | 1,470 |
| 29 | gross mixed income | 230,907 | 232,224 | -1,317 |
| 30 | taxes less subsidies on production | 86,079 | 85,403 | 676 |
| 31 | taxes less subsidies on products and imports | 130,752 | 131,826 | -1,074 |
| 32 | gdp at market prices | 1,986,193 | 1,983,288 | 2,905 |

Question: what was the amount that gross operating surplus was adjusted upward by for 2013?
Answer: 6806

Question: what was the amount that gross operating surplus was adjusted upward by for 2014?
Answer: 10446

Question: what was the amount that gross operating surplus was adjusted upward by for 2015?
Answer: 1470

Question: what was the amount the estimates of employee compensation were revised downward for 2013?
Answer: 921

Question: what was the amount the estimates of employee compensation were revised downward for 2014?
Answer: 588

Question: what was the amount the estimates of employee compensation were revised upward for 2015?
Answer: 1386