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| country name | Key | Value |
|---|---|---|
| US | 1960 | 200 |
| US | 1961 | 400 |
| CANADA | 1960 | 300 |
| CANADA | 1961 | 400 |
| country name | Key | Value |
|---|---|---|
| US | 1960 | 200 |
| US | 1961 | 400 |
| CANADA | 1960 | 300 |
| CANADA | 1961 | 400 |