| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 4805 | 33211846 | S | 2003-01-26 | 1 | |||
| 5938 | 33211846 | W | 2004-07-18 | 1 | |||
| 6501 | 33211846 | S | 2005-01-16 | 11 | |||
| 8400 | 33211846 | W | 2006-07-16 | 1 | |||
| 500089 | 33211846 | S | 2008-02-18 | 1 | |||
| 500331 | 33211846 | W | 2008-07-30 | 1 | |||
| 500777 | 33211846 | S | 2009-02-08 | 1 | |||
| 501372 | 33211846 | W | 2009-07-26 | 3 | |||
| 502101 | 33211846 | S | 2010-01-24 | 4 | |||
| 503892 | 33211846 | W | 2010-08-03 | 1 | |||
| 503893 | 33211846 | W | 2011-08-02 | 12 | |||
| 503891 | 33211846 | W | 2012-07-17 | 6 | |||
| 502984 | 33211846 | S | 2013-01-23 | 2 | |||
| 502866 | 33211846 | W | 2013-07-16 | 22 | |||
| 504468 | 33211846 | W | 2014-08-13 | 25 | |||
| 505459 | 33211846 | S | 2016-02-06 | 7 | |||
| 506208 | 33211846 | S | 2017-01-26 | 11 | |||
| 507233 | 33211846 | W | 2018-08-24 | 19 | |||
| 507587 | 33211846 | S | 2019-01-19 | 20 | |||
| 508310 | 33211846 | S | 2020-02-05 | 7 | |||
| 508706 | 33211846 | W | 2020-08-30 | 17 | |||
| 509199 | 33211846 | W | 2021-08-05 | 2 | |||
| 509733 | 33211846 | W | 2022-08-20 | 8 | |||
| 510248 | 33211846 | W | 2023-08-13 | 13 | |||
| 510600 | 33211846 | S | 2024-02-10 | 2 | |||
| 510851 | 33211846 | W | 2024-07-28 | 2 | |||
| 511449 | 33211846 | W | 2025-07-09 | 12 |