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 | South Korea | 9 | 2 | 1 | 12 |
| 2 | Chinese Taipei | 2 | 3 | 3 | 8 |
| 3 | Spain | 1 | 5 | 4 | 10 |
| 4 | United States | 1 | 2 | 7 | 10 |
| 5 | Turkey | 1 | 1 | 2 | 4 |
| 6 | West Germany | 1 | 0 | 3 | 4 |
| 7 | Netherlands | 1 | 0 | 1 | 2 |
| 8 | Mexico | 0 | 2 | 1 | 3 |
| 9 | Indonesia | 0 | 1 | 0 | 1 |
| 10 | France | 0 | 0 | 2 | 2 |
| 11 | Australia | 0 | 0 | 1 | 1 |
| 11 | Canada | 0 | 0 | 1 | 1 |
| 11 | Ivory Coast | 0 | 0 | 1 | 1 |
| 11 | Denmark | 0 | 0 | 1 | 1 |
| 11 | Italy | 0 | 0 | 1 | 1 |
| 11 | Jordan | 0 | 0 | 1 | 1 |
| 11 | Nepal | 0 | 0 | 1 | 1 |
| 11 | Switzerland | 0 | 0 | 1 | 1 |
| Total | Total | 16 | 16 | 32 | 64 |
Question:
what is the difference between the total number of bronze medals won by the united states and west germany?
Answer:
4