Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Rank | Name | Height ft (m) | Floors | Year |
| --- | --- | --- | --- | --- |
| 01.0 1 | Hancock Place | 01.0 790 (241) | 60.0 | 1976.0 |
| 02.0 2 | Prudential Tower | 02.0 749 (228) | 52.0 | 1964.0 |
| 03.0 3 | Federal Reserve Bank Building | 03.0 614 (187) | 32.0 | 1976.0 |
| 04.0 4 | One Boston Place | 04.0 601 (183) | 41.0 | 1970.0 |
| 05.0 5 | One International Place | 05.0 600 (183) | 46.0 | 1987.0 |
| 06.0 6 | First National Bank Building | 06.0 591 (180) | 37.0 | 1971.0 |
| 07.0 7 | One Financial Center | 07.0 590 (180) | 46.0 | 1983.0 |
| 08.0 8 | 111 Huntington Avenue | 08.0 554 (169) | 36.0 | 2002.0 |
| 09.0 9 | Two International Place | 09.0 538 (164) | 35.0 | 1992.0 |
| 10.0 10 | One Post Office Square | 10.0 525 (160) | 40.0 | 1981.0 |
| 11.0 11 | One Federal Street | 11.0 520 (159) | 38.0 | 1975.0 |
| 12.0 12 | Exchange Place | 12.0 510 (156) | 40.0 | 1984.0 |
| 13.0 13 | 60 State Street | 13.0 509 (155) | 38.0 | 1977.0 |
| 14.0 14 | One Beacon Street | 14.0 505 (154) | 37.0 | 1971.0 |
| 15.0 15 | One Lincoln Street | 15.0 503 (153) | 36.0 | 2003.0 |
| 16.0 16 | 28 State Street | 16.0 500 (152) | 40.0 | 1970.0 |
| 17.0 17 | Custom House Tower | 17.0 496 (151) | 32.0 | 1915.0 |
| 18.0 18 | Berkeley Building | 18.0 495 (151) | 36.0 | 1947.0 |
| 19.0 19= | 33 Arch Street | 19.0 477 (145) | 33.0 | 2004.0 |
| 19.0 19= | State Street Bank Building | 19.0 477 (145) | 33.0 | 1966.0 |
| 21.0 21 | Millennium Place Tower I | 21.0 475 (145) | 38.0 | 2001.0 |
| 22.0 22 | 125 High Street | 22.0 452 (138) | 30.0 | 1991.0 |
| 23.0 23 | 100 Summer Street | 23.0 450 (137) | 32.0 | 1974.0 |
| 24.0 24 | Millennium Place Tower II | 24.0 446 (136) | 36.0 | 2001.0 |
| 25.0 25 | McCormack Building | 25.0 401 (122) | 22.0 | 1975.0 |
| 26.0 26= | Keystone Building | 26.0 400 (122) | 32.0 | 1971.0 |
| 26.0 26= | Harbor Towers I | 26.0 400 (122) | 40.0 | 1971.0 |
Question:
What Year has a Rank of 12.0 12?
Answer:
1984.0