| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 133 | 26212830 | S | 1993-01-17 | 69 | |||
| 317 | 26212830 | S | 1994-01-15 | 52 | |||
| 435 | 26212830 | W | 1994-07-17 | 31 | |||
| 514 | 26212830 | S | 1995-01-15 | 14 | |||
| 677 | 26212830 | S | 1996-01-21 | 237 | |||
| 991 | 26212830 | S | 1997-01-26 | 30 | |||
| 2375 | 26212830 | S | 1998-02-01 | 124 | |||
| 2647 | 26212830 | S | 1999-02-07 | 245 | |||
| 3242 | 26212830 | S | 2000-01-23 | 98 | |||
| 3408 | 26212830 | W | 2000-07-23 | 1 | |||
| 3778 | 26212830 | S | 2001-01-28 | 50 | |||
| 4366 | 26212830 | S | 2002-01-27 | 48 | |||
| 4621 | 26212830 | W | 2002-07-21 | 8 | |||
| 4998 | 26212830 | S | 2003-01-26 | 46 | |||
| 5683 | 26212830 | S | 2004-01-25 | 56 | |||
| 6412 | 26212830 | S | 2005-01-30 | 88 | |||
| 7045 | 26212830 | S | 2006-01-29 | 1 | |||
| 8741 | 26212830 | S | 2007-01-21 | 19 | |||
| 500009 | 26212830 | S | 2008-01-13 | 104 | |||
| 500714 | 26212830 | S | 2009-01-25 | 5 | |||
| 502143 | 26212830 | S | 2010-01-31 | 2 | |||
| 504139 | 26212830 | S | 2011-01-30 | 145 | |||
| 502416 | 26212830 | S | 2012-01-22 | 21 | |||
| 504304 | 26212830 | S | 2013-01-27 | 16 | |||
| 507516 | 26212830 | S | 2015-01-25 | 6 | |||
| 507513 | 26212830 | W | 2015-07-26 | 1 | |||
| 507517 | 26212830 | S | 2016-01-31 | 2 | |||
| 507518 | 26212830 | O | 2017-01-27 | 57 | |||
| 506919 | 26212830 | S | 2018-01-28 | 17 | |||
| 507577 | 26212830 | S | 2019-01-27 | 5 | |||
| 508189 | 26212830 | S | 2020-01-26 | 70 | |||
| 508911 | 26212830 | S | 2021-01-31 | 47 | |||
| 509405 | 26212830 | S | 2022-01-30 | 7 | |||
| 509899 | 26212830 | S | 2023-01-29 | 7 | |||
| 510495 | 26212830 | S | 2024-01-28 | 6 | |||
| 511119 | 26212830 | S | 2025-02-02 | 50 | |||
| 511536 | 26212830 | W | 2025-07-27 | 8 |