| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 4 | 27253158 | S | 1992-02-01 | 5 | |||
| 49 | 27253158 | W | 1992-06-29 | 212 | |||
| 226 | 27253158 | W | 1993-07-19 | 28 | |||
| 415 | 27253158 | W | 1994-07-16 | 50 | |||
| 583 | 27253158 | W | 1995-07-10 | 138 | |||
| 862 | 27253158 | W | 1996-08-31 | 2 | |||
| 2023 | 27253158 | W | 1997-07-16 | 63 | |||
| 2999 | 27253158 | W | 1999-07-21 | 60 | |||
| 4095 | 27253158 | W | 2001-07-19 | 18 | |||
| 4716 | 27253158 | W | 2002-07-24 | 195 | |||
| 5241 | 27253158 | W | 2003-07-26 | 375 | |||
| 6092 | 27253158 | W | 2004-07-30 | 31 | |||
| 8961 | 27253158 | W | 2007-07-15 | 55 | |||
| 500633 | 27253158 | W | 2008-06-11 | 38 | |||
| 500762 | 27253158 | S | 2009-01-31 | 16 | |||
| 501171 | 27253158 | W | 2009-07-25 | 25 | |||
| 502175 | 27253158 | S | 2010-02-09 | 4 | |||
| 507648 | 27253158 | W | 2015-07-30 | 96 | |||
| 507647 | 27253158 | S | 2016-01-09 | 238 | |||
| 507646 | 27253158 | W | 2016-07-17 | 103 | |||
| 507645 | 27253158 | S | 2017-02-04 | 1 | |||
| 507644 | 27253158 | W | 2017-08-04 | 1 | |||
| 507624 | 27253158 | S | 2019-02-09 | 36 | |||
| 507771 | 27253158 | W | 2019-07-06 | 62 | |||
| 508261 | 27253158 | S | 2020-02-01 | 4 | |||
| 508636 | 27253158 | W | 2020-07-10 | 21 | |||
| 509177 | 27253158 | W | 2021-08-01 | 40 | |||
| 509653 | 27253158 | W | 2022-07-03 | 7 | |||
| 510105 | 27253158 | W | 2023-07-07 | 7 |