| 1 | A | B | C | D |
| --- | --- | --- | --- | --- |
| 2 | federal obligations for experimental development, by agency: fys 2017-18 |  |  |  |
| 3 | agency | 2017 | preliminary |  |
| 4 |  |  | 2018 | % change 2017-18 |
| 5 | all agencies | 48724.6 | 50272.6 | 3.2 |
| 6 | department of agriculture | 202.1 | 195.8 | -3.1 |
| 7 | department of defense | 37694.6 | 41980.4 | 11.4 |
| 8 | advanced technology | 5707.6 | 6432.1 | 12.7 |
| 9 | major systems | 31987 | 35548.3 | 11.1 |
| 10 | department of energy | 2349.5 | 2406.2 | 2.4 |
| 11 | department of health and human services | 92.4 | 69.5 | -24.8 |
| 12 | national aeronautics and space administration | 6849.4 | 3964 | -42.1 |
| 13 | national science foundation | 0 | 0 | 0 |
| 14 | all other departments and agencies | 1536.7 | 1656.7 | 7.8 |

Question: what was the share of obligations for experimental development?
Answer: 0.773626

Question: what was the dod's share of experimental development obligations increased of the estimated fy 2018 total?
Answer: 0.835055

Question: how many million dollars was nasa's experimental development obligations in fy 2017?
Answer: 6849.4

Question: how many million dollars was nasa's experimental development obligations in fy 2018?
Answer: 3964

Question: how many percent of total experimental development did nasa account for in fy 2017?
Answer: 0.140574

Question: how many percent of total experimental development did nasa account for in fy 2018?
Answer: 0.07885

Question: which agency had the third-largest amount of federal obligations for experimental development, and its share of total experimental development remained constant from fy 2017 to fy 2018 at 4.8%?
Answer: department of energy