| Ref | Site code | Season | Date | Count | IBA | Subregional IBA  | RAMSAR | 
|---|---|---|---|---|---|---|---|
| 4805 | 33211846 | S | 2003-01-26 | 81 | |||
| 5451 | 33211846 | S | 2004-01-18 | 46 | |||
| 5938 | 33211846 | W | 2004-07-18 | 11 | |||
| 6501 | 33211846 | S | 2005-01-16 | 46 | |||
| 6881 | 33211846 | W | 2005-07-17 | 1 | |||
| 7068 | 33211846 | S | 2006-01-15 | 75 | |||
| 8774 | 33211846 | S | 2007-01-21 | 254 | |||
| 9127 | 33211846 | W | 2007-07-22 | 1 | |||
| 500089 | 33211846 | S | 2008-02-18 | 33 | |||
| 500331 | 33211846 | W | 2008-07-30 | 2 | |||
| 500777 | 33211846 | S | 2009-02-08 | 80 | |||
| 503892 | 33211846 | W | 2010-08-03 | 6 | |||
| 503889 | 33211846 | S | 2011-02-06 | 9 | |||
| 503893 | 33211846 | W | 2011-08-02 | 3 | |||
| 503890 | 33211846 | S | 2012-02-01 | 17 | |||
| 502984 | 33211846 | S | 2013-01-23 | 71 | |||
| 503494 | 33211846 | S | 2014-01-22 | 45 | |||
| 504747 | 33211846 | S | 2015-01-29 | 41 | |||
| 505459 | 33211846 | S | 2016-02-06 | 6 | |||
| 506208 | 33211846 | S | 2017-01-26 | 88 | |||
| 506838 | 33211846 | S | 2018-01-27 | 4 | |||
| 507233 | 33211846 | W | 2018-08-24 | 6 | |||
| 507587 | 33211846 | S | 2019-01-19 | 296 | |||
| 507830 | 33211846 | W | 2019-07-15 | 6 | |||
| 508310 | 33211846 | S | 2020-02-05 | 133 | |||
| 508706 | 33211846 | W | 2020-08-30 | 2 | |||
| 508977 | 33211846 | S | 2021-02-07 | 30 | |||
| 509452 | 33211846 | S | 2022-02-16 | 123 | |||
| 509981 | 33211846 | S | 2023-02-19 | 50 | |||
| 510248 | 33211846 | W | 2023-08-13 | 8 | |||
| 510600 | 33211846 | S | 2024-02-10 | 6 | |||
| 511290 | 33211846 | S | 2025-02-15 | 200 | |||
| 511449 | 33211846 | W | 2025-07-09 | 15 |