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 | Nation | Gold | Silver | Bronze | Total |
| --- | --- | --- | --- | --- | --- |
| 1 | Soviet Union | 50 | 27 | 22 | 99 |
| 2 | United States | 33 | 31 | 30 | 94 |
| 3 | East Germany (GDR) | 20 | 23 | 23 | 66 |
| 4 | West Germany (FRG) | 13 | 11 | 16 | 40 |
| 5 | Japan | 13 | 8 | 8 | 29 |
| 6 | Australia | 8 | 7 | 2 | 17 |
| 7 | Poland | 7 | 5 | 9 | 21 |
| 8 | Hungary | 6 | 13 | 16 | 35 |
| 9 | Bulgaria | 6 | 10 | 5 | 21 |
| 10 | Italy | 5 | 3 | 10 | 18 |
Question:
how many nations won more than ten silver medals?
Answer:
5