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 | Location | Gold | Silver | Bronze |
| --- | --- | --- | --- | --- |
| 1982.0 | New Delhi | India | South Korea | Japan |
| 1986.0 | Seoul | South Korea | Japan | Philippines |
| 1990.0 | Beijing | Japan | Philippines | South Korea |
| 1994.0 | Hiroshima | Japan | Chinese Taipei | South Korea |
| 1998.0 | Bangkok | Japan | Philippines | Chinese Taipei |
| 2002.0 | Busan | Chinese Taipei | South Korea | Japan |
| 2006.0 | Doha | South Korea | India | Chinese Taipei |
| 2010.0 | Guangzhou | South Korea | India | Chinese Taipei |
Question:
How many years has Japan won silver?
Answer:
1986.0