| 2025-11-02 | Like some pricing strategies |
| 2024-12-30 | In stacks, like a wedding cake |
| 2024-11-19 | Having multiple levels |
| 2021-02-09 | Having multiple levels |
| 2020-11-20 | Like stadiums |
| 2020-09-24 | Like most parking garages |
| 2019-08-06 | Like wedding cakes, typically |
| 2017-03-12 | Like some wedding cakes and stadiums |
| 2016-12-11 | Like many wedding cakes |
| 2016-05-29 | Like some sponsorship packages |
| 2016-03-05 | Like theater seating |
| 2013-10-13 | Layered |
| 2013-03-27 | Like many arenas |
| 2013-01-28 | In layers |
| 2012-05-18 | Like many grandstands |
| 2011-04-17 | Like stadium seating |
| 2007-11-25 | Having multiple layers |
| 2004-06-07 | In layers |
| 2004-03-28 | Like Carnegie Hall |
| 2004-02-01 | Not level |
| 2001-10-13 | Like some cakes |
| 2001-01-28 | Kind of seating |
| 2000-03-25 | Like many concert halls |
| 1999-02-04 | Like most stadiums |
| 1998-06-21 | Like wedding cakes |
| 1998-01-13 | Layered |
| 1997-08-16 | Stacked |