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 | China | 41 | 27 | 13 | 81 |
| 2 | Russia | 26 | 22 | 34 | 82 |
| 3 | South Korea | 26 | 12 | 17 | 55 |
| 4 | Ukraine | 23 | 15 | 17 | 55 |
| 5 | Japan | 13 | 13 | 21 | 47 |
| 6 | France | 8 | 8 | 4 | 20 |
| 7 | Great Britain | 8 | 3 | 6 | 17 |
| 8 | United States | 5 | 13 | 18 | 36 |
| 9 | North Korea | 3 | 8 | 3 | 14 |
| 10 | Poland | 3 | 4 | 3 | 10 |
| 11 | Chinese Taipei | 3 | 3 | 5 | 11 |
| 12 | Belarus | 3 | 3 | 4 | 10 |
| 13 | Germany | 3 | 2 | 8 | 13 |
| 14 | Hungary | 3 | 2 | 7 | 12 |
| 15 | Czech Republic | 3 | 0 | 3 | 6 |
| 16 | Australia | 2 | 5 | 5 | 12 |
| 17 | Italy | 2 | 5 | 5 | 12 |
| 18 | Kazakhstan | 2 | 4 | 0 | 6 |
| 19 | South Africa | 2 | 1 | 2 | 5 |
| 20 | Uzbekistan | 2 | 0 | 1 | 3 |
| 21 | Spain | 1 | 4 | 8 | 13 |
| 22 | Brazil | 1 | 2 | 8 | 11 |
| 23 | Romania | 1 | 2 | 4 | 7 |
| 24 | Netherlands | 1 | 1 | 2 | 4 |
| 25 | Morocco | 1 | 1 | 1 | 3 |
| 25 | Serbia and Montenegro | 1 | 1 | 1 | 3 |
| 27 | Latvia | 1 | 0 | 0 | 1 |
| 27 | Moldova | 1 | 0 | 0 | 1 |
| 29 | Mexico | 0 | 3 | 2 | 5 |
| 30 | Finland | 0 | 3 | 1 | 4 |
| 31 | Slovakia | 0 | 2 | 3 | 5 |
| 32 | Iran | 0 | 2 | 2 | 4 |
| 33 | Slovenia | 0 | 2 | 0 | 2 |
| 33 | Turkey | 0 | 2 | 0 | 2 |
| 35 | Canada | 0 | 1 | 2 | 3 |
| 35 | Switzerland | 0 | 1 | 2 | 3 |
| 35 | Estonia | 0 | 1 | 2 | 3 |
| 38 | Cuba | 0 | 1 | 1 | 2 |
| 38 | Ireland | 0 | 1 | 1 | 2 |
| 40 | Denmark | 0 | 1 | 0 | 1 |
| 40 | Uganda | 0 | 1 | 0 | 1 |
| 42 | Croatia | 0 | 0 | 3 | 3 |
| 42 | Thailand | 0 | 0 | 3 | 3 |
| 44 | Israel | 0 | 0 | 2 | 2 |
| 45 | Armenia | 0 | 0 | 1 | 1 |
| 45 | Jamaica | 0 | 0 | 1 | 1 |
| 45 | Mongolia | 0 | 0 | 1 | 1 |
| 45 | Malaysia | 0 | 0 | 1 | 1 |
| 45 | Austria | 0 | 0 | 1 | 1 |
| 45 | Greece | 0 | 0 | 1 | 1 |
| 45 | Cyprus | 0 | 0 | 1 | 1 |
| 45 | Bahamas | 0 | 0 | 1 | 1 |
| 45 | Bosnia and Herzegovina | 0 | 0 | 1 | 1 |
| Total | Total | 189 | 182 | 233 | 604 |
Question:
how many nations received silver medals?
Answer:
37