Copper mined by country, 1995 and 2020
| Country | 1995 | 2020 |
|---|---|---|
| Poland | 0.38 | 0.39 |
| Kazakhstan | 0.26 | 0.55 |
| Chile | 2.49 | 5.73 |
| United States | 1.85 | 1.20 |
A student is researching copper mining in several countries in 1995 and 2020. Consulting the table, the student finds that the country that mined the smallest amount of copper in 1995 was __________