| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 6633 | 33111805 | W | 2005-07-16 | 155 | |||
| 9294 | 33111805 | W | 2007-07-08 | 265 | |||
| 500332 | 33111805 | W | 2008-08-10 | 17 | |||
| 501131 | 33111805 | W | 2009-08-15 | 9 | |||
| 502969 | 33111805 | S | 2013-02-17 | 169 | |||
| 502980 | 33111805 | W | 2013-07-28 | 396 | |||
| 503778 | 33111805 | S | 2014-02-23 | 324 | |||
| 504782 | 33111805 | S | 2015-02-14 | 239 | |||
| 505141 | 33111805 | W | 2015-08-08 | 309 | |||
| 505810 | 33111805 | W | 2016-07-31 | 746 | 625 | ||
| 506182 | 33111805 | S | 2017-01-21 | 280 | |||
| 506604 | 33111805 | W | 2017-07-30 | 49 | |||
| 506984 | 33111805 | S | 2018-02-10 | 18 | |||
| 507504 | 33111805 | W | 2018-08-05 | 82 | |||
| 507611 | 33111805 | S | 2019-01-20 | 26 | |||
| 508075 | 33111805 | O | 2019-09-08 | 154 | |||
| 508303 | 33111805 | S | 2020-01-19 | 135 | |||
| 508871 | 33111805 | S | 2021-01-23 | 143 | |||
| 509507 | 33111805 | S | 2022-02-27 | 3 | |||
| 509964 | 33111805 | S | 2023-02-18 | 15 | |||
| 510573 | 33111805 | S | 2024-01-20 | 19 | |||
| 511258 | 33111805 | S | 2025-02-22 | 83 | |||
| 511495 | 33111805 | W | 2025-07-19 | 99 |