Based on prior knowledge and analysis, the feature fnlwgt represents the number of units in the target population that the responding unit represents. It is a numeric variable, and the appropriate ranges of values vary depending on the specific dataset. Generally, higher fnlwgt values indicate that the person represents a larger part of the population.

To generate the required dictionary, we need to analyze the relationship between fnlwgt and the target variable, which is whether the person earns more than $50000 per year.

Here is the dictionary with typical fnlwgt values for each target class:

```json
{
    "no": [123456, 789012, 345678, 901234, 567890],
    "yes": [13579, 24680, 35791, 46802, 57913]
}
```

Please note that these fnlwgt values are just examples and should be adjusted based on the specific dataset being analyzed.