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:
| Grade | Description | Measurement | Function % | Estimated function % |
| --- | --- | --- | --- | --- |
| I | Normal | 8/8 | 100 | 100.0 |
| II | Slight | 7/8 | 76–99 | 80.0 |
| III | Moderate | 5/8–6/8 | 51–75 | 60.0 |
| IV | Moderately severe | 3/8–4/8 | 26–50 | 40.0 |
| V | Severe | 1/8–2/8 | 1–25 | 20.0 |
| VI | Total | 0/8 | 0 | 0.0 |
Question:
What is the function percentage when the estimated function percentage is 20?
Answer:
1–25