| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 677 | 26212830 | S | 1996-01-21 | 26 | |||
| 991 | 26212830 | S | 1997-01-26 | 3 | |||
| 2534 | 26212830 | W | 1998-07-26 | 1 | |||
| 2647 | 26212830 | S | 1999-02-07 | 42 | |||
| 3242 | 26212830 | S | 2000-01-23 | 21 | |||
| 3778 | 26212830 | S | 2001-01-28 | 11 | |||
| 4998 | 26212830 | S | 2003-01-26 | 1 | |||
| 5683 | 26212830 | S | 2004-01-25 | 56 | |||
| 6412 | 26212830 | S | 2005-01-30 | 13 | |||
| 7045 | 26212830 | S | 2006-01-29 | 84 | |||
| 8741 | 26212830 | S | 2007-01-21 | 40 | |||
| 500009 | 26212830 | S | 2008-01-13 | 955 | |||
| 500714 | 26212830 | S | 2009-01-25 | 44 | |||
| 502143 | 26212830 | S | 2010-01-31 | 1 | |||
| 504139 | 26212830 | S | 2011-01-30 | 6 | |||
| 504304 | 26212830 | S | 2013-01-27 | 2 | |||
| 507516 | 26212830 | S | 2015-01-25 | 111 | |||
| 507517 | 26212830 | S | 2016-01-31 | 6 | |||
| 507518 | 26212830 | O | 2017-01-27 | 19 | |||
| 506919 | 26212830 | S | 2018-01-28 | 269 | |||
| 507163 | 26212830 | W | 2018-07-29 | 3 | |||
| 507577 | 26212830 | S | 2019-01-27 | 8 | |||
| 508189 | 26212830 | S | 2020-01-26 | 206 | |||
| 508661 | 26212830 | W | 2020-07-26 | 1 | |||
| 508911 | 26212830 | S | 2021-01-31 | 130 | |||
| 509405 | 26212830 | S | 2022-01-30 | 4 | |||
| 509673 | 26212830 | W | 2022-07-31 | 3 | |||
| 509899 | 26212830 | S | 2023-01-29 | 227 | |||
| 510495 | 26212830 | S | 2024-01-28 | 36 | |||
| 510836 | 26212830 | W | 2024-07-28 | 1 | |||
| 511119 | 26212830 | S | 2025-02-02 | 314 |