| Ref | Site code | Season | Date | Count | IBA | Subregional IBA  | RAMSAR | 
|---|---|---|---|---|---|---|---|
| 2443 | 32511814 | W | 1998-07-26 | 1 | |||
| 2764 | 32511814 | S | 1999-01-17 | 6 | |||
| 3182 | 32511814 | S | 2000-01-23 | 29 | |||
| 3832 | 32511814 | S | 2001-01-21 | 20 | |||
| 4251 | 32511814 | S | 2002-01-27 | 14 | |||
| 4752 | 32511814 | S | 2003-02-02 | 24 | |||
| 5156 | 32511814 | W | 2003-07-27 | 9 | |||
| 5452 | 32511814 | S | 2004-02-01 | 28 | |||
| 6151 | 32511814 | W | 2004-08-01 | 19 | |||
| 1792 | 32511814 | S | 2005-01-30 | 4 | |||
| 1795 | 32511814 | W | 2005-07-31 | 8 | |||
| 1852 | 32511814 | O | 2005-09-18 | 10 | |||
| 1864 | 32511814 | O | 2005-10-16 | 1 | |||
| 1877 | 32511814 | O | 2005-11-13 | 5 | |||
| 6924 | 32511814 | S | 2006-02-26 | 16 | |||
| 8291 | 32511814 | W | 2006-07-23 | 1 | |||
| 9387 | 32511814 | S | 2008-02-17 | 20 | |||
| 500747 | 32511814 | S | 2009-02-22 | 30 | |||
| 501867 | 32511814 | 2011-01-30 | 8 | ||||
| 502606 | 32511814 | O | 2012-03-04 | 2 | |||
| 503645 | 32511814 | S | 2014-02-16 | 8 | |||
| 504736 | 32511814 | S | 2015-02-01 | 2 | |||
| 505116 | 32511814 | W | 2015-07-12 | 1 | |||
| 505442 | 32511814 | S | 2016-02-07 | 25 | |||
| 505801 | 32511814 | W | 2016-07-24 | 22 | |||
| 506193 | 32511814 | S | 2017-01-22 | 23 | |||
| 506590 | 32511814 | W | 2017-07-23 | 21 | |||
| 507113 | 32511814 | W | 2018-07-22 | 3 | |||
| 507597 | 32511814 | S | 2019-02-03 | 11 | |||
| 507783 | 32511814 | W | 2019-07-14 | 1 | |||
| 508279 | 32511814 | S | 2020-02-09 | 107 | |||
| 508640 | 32511814 | W | 2020-07-26 | 2 | |||
| 508966 | 32511814 | S | 2021-02-07 | 13 | |||
| 509409 | 32511814 | S | 2022-02-06 | 23 | |||
| 509718 | 32511814 | W | 2022-07-18 | 3 | |||
| 510103 | 32511814 | S | 2023-02-17 | 1 | |||
| 511339 | 32511814 | S | 2024-02-05 | 2 | |||
| 511133 | 32511814 | S | 2025-02-04 | 1 |