| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 3779 | 26212831 | S | 2001-01-28 | 15 | |||
| 4367 | 26212831 | S | 2002-01-27 | 11 | |||
| 4999 | 26212831 | S | 2003-01-26 | 1 | |||
| 5684 | 26212831 | S | 2004-01-25 | 3 | |||
| 6413 | 26212831 | S | 2005-01-30 | 40 | |||
| 8347 | 26212831 | W | 2006-07-30 | 1 | |||
| 8740 | 26212831 | S | 2007-01-21 | 18 | |||
| 500010 | 26212831 | S | 2008-01-13 | 5 | |||
| 500327 | 26212831 | W | 2008-07-27 | 6 | |||
| 500715 | 26212831 | S | 2009-01-25 | 29 | |||
| 502144 | 26212831 | S | 2010-01-31 | 6 | |||
| 504146 | 26212831 | W | 2010-07-25 | 26 | |||
| 504144 | 26212831 | S | 2011-01-30 | 5 | |||
| 504147 | 26212831 | W | 2011-07-31 | 26 | |||
| 504145 | 26212831 | S | 2012-01-21 | 36 | |||
| 502415 | 26212831 | S | 2012-01-22 | 36 | |||
| 504148 | 26212831 | W | 2012-07-29 | 19 | |||
| 504305 | 26212831 | S | 2013-01-27 | 6 | |||
| 507522 | 26212831 | W | 2013-07-28 | 3 | |||
| 507523 | 26212831 | W | 2014-07-27 | 14 | |||
| 507519 | 26212831 | S | 2015-01-25 | 6 | |||
| 507524 | 26212831 | W | 2015-07-26 | 20 | |||
| 507520 | 26212831 | S | 2016-01-31 | 15 | |||
| 507525 | 26212831 | W | 2016-07-31 | 3 | |||
| 507521 | 26212831 | S | 2017-01-29 | 18 | |||
| 507526 | 26212831 | W | 2017-07-30 | 22 | |||
| 506920 | 26212831 | S | 2018-01-28 | 57 | |||
| 507165 | 26212831 | W | 2018-07-29 | 3 | |||
| 507579 | 26212831 | S | 2019-01-27 | 17 | |||
| 508245 | 26212831 | S | 2020-01-26 | 9 | |||
| 508662 | 26212831 | W | 2020-07-26 | 1 | |||
| 508913 | 26212831 | S | 2021-01-31 | 2 | |||
| 509143 | 26212831 | W | 2021-07-25 | 4 | |||
| 509406 | 26212831 | S | 2022-01-30 | 2 | |||
| 509674 | 26212831 | W | 2022-07-31 | 1 | |||
| 509900 | 26212831 | S | 2023-01-29 | 11 | |||
| 510501 | 26212831 | S | 2024-01-28 | 7 | |||
| 511120 | 26212831 | S | 2025-02-02 | 35 | |||
| 511537 | 26212831 | W | 2025-07-27 | 2 |