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:
| Year | Tournament | Venue | Result | Extra |
| --- | --- | --- | --- | --- |
| 1983.0 | World Championships | Helsinki , Finland | 8th | Heptathlon |
| 1984.0 | Olympic Games | Los Angeles , United States | 7th | Heptathlon |
| 1986.0 | European Championships | Stuttgart , West Germany | 11th | Heptathlon |
| 1987.0 | World Championships | Rome , Italy | 13th | Heptathlon |
| 1989.0 | European Indoor Championships | The Hague , Netherlands | 7th | Long jump |
Question:
How often are the Olympic games hosted?
Answer:
1984.0