| 1 | A | B | C | D | E |
| --- | --- | --- | --- | --- | --- |
| 2 | thirty institutions reporting the most fy 2015 research space in all fields: fys 2011-15 |  |  |  |  |
| 3 | rank | institution | fy 2011 | fy 2013 | fy 2015 |
| 4 |  | all institutions | 202152 | 211811 | 214686 |
| 5 |  | leading 30 institutions | 73150 | 74246 | 75101 |
| 6 | 1 | u. florida | 3038 | 3110 | 4156 |
| 7 | 2 | u. georgia | 3526 | 3777 | 3891 |
| 8 | 3 | johns hopkins u | 3144 | 3265 | 3811 |
| 9 | 4 | u. minnesota, twin cities | 3531 | 3673 | 3400 |
| 10 | 5 | u. california, davis | 2927 | 2930 | 3052 |
| 11 | 6 | u. illinois, urbana-champaign | 4631 | 3109 | 3034 |
| 12 | 7 | texas a&m u., college station and health science center | 2443 | 2895 | 2926 |
| 13 | 8 | u. wisconsin-madison | 2936 | 2774 | 2904 |
| 14 | 9 | u. california, los angeles | 2632 | 2718 | 2806 |
| 15 | 10 | u. california, san diego | 2421 | 2555 | 2694 |
| 16 | 11 | north carolina state u | 2636 | 2695 | 2633 |
| 17 | 12 | pennsylvania state u., university park and hershey medical center | 2929 | 2733 | 2561 |
| 18 | 13 | u. california, berkeley | 2535 | 2382 | 2551 |
| 19 | 14 | michigan state u | 2274 | 2254 | 2446 |
| 20 | 15 | harvard u | 2334 | 2482 | 2420 |
| 21 | 16 | u. kentucky | 2230 | 2287 | 2394 |
| 22 | 17 | yale u | 2079 | 2307 | 2372 |
| 23 | 18 | cornell u | 2071 | 2121 | 2218 |
| 24 | 19 | washington state u | 1948 | 2055 | 2161 |
| 25 | 20 | mississippi state u | 2152 | 2157 | 2140 |
| 26 | 21 | u. california, san francisco | 1974 | 2053 | 2024 |
| 27 | 22 | u. washington, seattle | 1874 | 1796 | 1935 |
| 28 | 23 | massachusetts institute of technology | 2070 | 2023 | 1927 |
| 29 | 24 | u. pittsburgh, pittsburgh | 1467 | 1614 | 1882 |
| 30 | 25 | columbia u. in the city of new york | 1765 | 1869 | 1878 |
| 31 | 25 | u. michigan, ann arbor | 1793 | 1897 | 1878 |
| 32 | 27 | georgia institute of technology | 1706 | 1633 | 1782 |
| 33 | 28 | rutgers, state u. new jersey, new brunswick | 1107 | 1167 | 1772 |
| 34 | 29 | u. arizona | 1748 | 1630 | 1730 |
| 35 | 30 | u. pennsylvania | 1575 | 1749 | 1723 |

Question: of the 570 institutions surveyed, how many percent did the top 30 institutions ranked by total s&e nasf account of all research space in fy 2015?
Answer: 0.349818

Question: the share is unchanged since fy 2013 and is less than the share in fy 2011, what is the share in fy 2011?
Answer: 0.361856