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:
| Tournament | Wins | Top-5 | Top-10 | Top-25 | Events | Cuts made |
| --- | --- | --- | --- | --- | --- | --- |
| Masters Tournament | 1.0 | 2.0 | 3.0 | 11.0 | 30.0 | 17.0 |
| U.S. Open | 0.0 | 1.0 | 1.0 | 4.0 | 18.0 | 10.0 |
| The Open Championship | 0.0 | 0.0 | 0.0 | 2.0 | 12.0 | 7.0 |
| PGA Championship | 0.0 | 0.0 | 2.0 | 6.0 | 16.0 | 10.0 |
| Totals | 1.0 | 3.0 | 6.0 | 23.0 | 76.0 | 44.0 |
Question:
What is the highest Top-5 that has 18 or more events with a Top-25 of 23?
Answer:
3.0