| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 133 | 26212830 | S | 1993-01-17 | 53 | |||
| 189 | 26212830 | W | 1993-07-17 | 266 | |||
| 317 | 26212830 | S | 1994-01-15 | 460 | |||
| 435 | 26212830 | W | 1994-07-17 | 645 | |||
| 514 | 26212830 | S | 1995-01-15 | 650 | |||
| 593 | 26212830 | W | 1995-07-16 | 70 | |||
| 677 | 26212830 | S | 1996-01-21 | 95 | |||
| 800 | 26212830 | W | 1996-07-14 | 199 | |||
| 991 | 26212830 | S | 1997-01-26 | 292 | |||
| 2090 | 26212830 | W | 1997-07-27 | 329 | |||
| 2375 | 26212830 | S | 1998-02-01 | 408 | |||
| 2534 | 26212830 | W | 1998-07-26 | 112 | |||
| 2647 | 26212830 | S | 1999-02-07 | 435 | |||
| 3068 | 26212830 | W | 1999-07-25 | 1066 | |||
| 3242 | 26212830 | S | 2000-01-23 | 872 | |||
| 3408 | 26212830 | W | 2000-07-23 | 839 | |||
| 3778 | 26212830 | S | 2001-01-28 | 893 | |||
| 4114 | 26212830 | W | 2001-07-22 | 1244 | |||
| 4366 | 26212830 | S | 2002-01-27 | 387 | |||
| 4621 | 26212830 | W | 2002-07-21 | 975 | |||
| 4998 | 26212830 | S | 2003-01-26 | 420 | |||
| 5272 | 26212830 | W | 2003-07-27 | 589 | |||
| 5683 | 26212830 | S | 2004-01-25 | 744 | |||
| 5872 | 26212830 | W | 2004-07-25 | 1014 | |||
| 6412 | 26212830 | S | 2005-01-30 | 236 | |||
| 6791 | 26212830 | W | 2005-07-31 | 724 | |||
| 7045 | 26212830 | S | 2006-01-29 | 267 | |||
| 8353 | 26212830 | W | 2006-07-30 | 248 | |||
| 8741 | 26212830 | S | 2007-01-21 | 139 | |||
| 8938 | 26212830 | W | 2007-07-29 | 612 | |||
| 500009 | 26212830 | S | 2008-01-13 | 152 | |||
| 500326 | 26212830 | W | 2008-07-27 | 476 | |||
| 500714 | 26212830 | S | 2009-01-25 | 261 | |||
| 501064 | 26212830 | W | 2009-07-26 | 562 | |||
| 502143 | 26212830 | S | 2010-01-31 | 108 | |||
| 504140 | 26212830 | W | 2010-07-25 | 302 | |||
| 504139 | 26212830 | S | 2011-01-30 | 216 | |||
| 504141 | 26212830 | W | 2011-07-31 | 155 | |||
| 502416 | 26212830 | S | 2012-01-22 | 417 | |||
| 504142 | 26212830 | W | 2012-07-29 | 769 | |||
| 504304 | 26212830 | S | 2013-01-27 | 654 | |||
| 507511 | 26212830 | W | 2013-07-28 | 1174 | |||
| 507512 | 26212830 | W | 2014-07-27 | 414 | |||
| 507516 | 26212830 | S | 2015-01-25 | 542 | |||
| 507513 | 26212830 | W | 2015-07-26 | 894 | |||
| 507517 | 26212830 | S | 2016-01-31 | 542 | |||
| 507514 | 26212830 | W | 2016-07-31 | 465 | |||
| 507518 | 26212830 | O | 2017-01-27 | 87 | |||
| 507515 | 26212830 | W | 2017-07-30 | 266 | |||
| 506919 | 26212830 | S | 2018-01-28 | 363 | |||
| 507163 | 26212830 | W | 2018-07-29 | 408 | |||
| 507577 | 26212830 | S | 2019-01-27 | 631 | |||
| 507841 | 26212830 | W | 2019-07-28 | 1173 | |||
| 508189 | 26212830 | S | 2020-01-26 | 468 | |||
| 508661 | 26212830 | W | 2020-07-26 | 1366 | |||
| 508911 | 26212830 | S | 2021-01-31 | 508 | |||
| 509142 | 26212830 | W | 2021-07-25 | 797 | |||
| 509405 | 26212830 | S | 2022-01-30 | 257 | |||
| 509673 | 26212830 | W | 2022-07-31 | 725 | |||
| 509899 | 26212830 | S | 2023-01-29 | 661 | |||
| 510177 | 26212830 | W | 2023-07-30 | 404 | |||
| 510495 | 26212830 | S | 2024-01-28 | 544 | |||
| 510836 | 26212830 | W | 2024-07-28 | 73 | |||
| 511119 | 26212830 | S | 2025-02-02 | 471 | |||
| 511536 | 26212830 | W | 2025-07-27 | 185 |