| Ref | Site code | Season | Date | Count | IBA | Subregional IBA  | RAMSAR | 
|---|---|---|---|---|---|---|---|
| 4 | 27253158 | S | 1992-02-01 | 10 | |||
| 107 | 27253158 | S | 1993-01-22 | 19 | |||
| 291 | 27253158 | S | 1994-01-14 | 11 | |||
| 482 | 27253158 | S | 1995-01-21 | 3 | |||
| 687 | 27253158 | S | 1996-01-17 | 9 | |||
| 862 | 27253158 | W | 1996-08-31 | 4 | |||
| 958 | 27253158 | S | 1997-01-15 | 1 | |||
| 2342 | 27253158 | S | 1998-01-14 | 1 | |||
| 2723 | 27253158 | S | 1999-01-20 | 11 | |||
| 3643 | 27253158 | S | 2001-01-19 | 2 | |||
| 4276 | 27253158 | S | 2002-01-26 | 3 | |||
| 4716 | 27253158 | W | 2002-07-24 | 37 | |||
| 6207 | 27253158 | S | 2005-02-10 | 1 | |||
| 7075 | 27253158 | S | 2006-02-11 | 10 | |||
| 500762 | 27253158 | S | 2009-01-31 | 8 | |||
| 507648 | 27253158 | W | 2015-07-30 | 4 | |||
| 507647 | 27253158 | S | 2016-01-09 | 26 | |||
| 507645 | 27253158 | S | 2017-02-04 | 1 | |||
| 507624 | 27253158 | S | 2019-02-09 | 12 | |||
| 508261 | 27253158 | S | 2020-02-01 | 2 | |||
| 508918 | 27253158 | S | 2021-01-30 | 3 | |||
| 509177 | 27253158 | W | 2021-08-01 | 1 | |||
| 509478 | 27253158 | S | 2022-02-19 | 3 |