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| happiness index (The happiness index, calculated as the difference between shares of happy and unhappy people, reached 18 percent in Russia in 2021, down from 51 points in 2016 Nadinn) | |||
| индекс счастья: 1 phrase in 1 subject |
| Mining | 1 |
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| |||
| happiness index (The happiness index, calculated as the difference between shares of happy and unhappy people, reached 18 percent in Russia in 2021, down from 51 points in 2016 Nadinn) | |||
| индекс счастья: 1 phrase in 1 subject |
| Mining | 1 |