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:
| Rank | Player | Club(s) | Year(s) | U-16 Caps |
| --- | --- | --- | --- | --- |
| 1.0 | Ángel Cuéllar | Betis | 1987–1989 | 26.0 |
| 2.0 | Julio Iglesias | Barcelona | 1987–1989 | 21.0 |
| 2.0 | Álvaro Pérez | Athletic Bilbao | 1990–1992 | 21.0 |
| 4.0 | Curro Montoya | Hércules , Valencia | 1992–1993 | 20.0 |
| 4.0 | Diego Ribera | Valencia | 1992–1993 | 20.0 |
| 6.0 | Iker Casillas | Real Madrid | 1996–1998 | 19.0 |
| 6.0 | Enrique Medina | Manises, Valencia | 1990–1991 | 19.0 |
| 6.0 | Francisco Rufete | Atlético Benejúzar, Barcelona | 1992–1993 | 19.0 |
| 6.0 | Carlos Sierra 'Sandro' | Tenerife , Real Madrid | 1990–1991 | 19.0 |
| 10.0 | Carlos Castro | Sevilla | 1990–1991 | 18.0 |
| 10.0 | Juan Carlos Gutiérrez | La Cruz Villanovense, Barcelona | 1990–1991 | 18.0 |
| 10.0 | Jero Miñarro | Lorca , Valencia | 1992–1994 | 18.0 |
| 10.0 | Líbero Parri | Valencia | 1998–1999 | 18.0 |
| 10.0 | Iván Pérez | Real Madrid | 1991–1992 | 18.0 |
Question:
During what years was álvaro pérez the number 2 ranked player?
Answer:
1990–1992