| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 709 | 34052454 | S | 1996-02-01 | 10 | |||
| 940 | 34052454 | S | 1997-01-31 | 1 | |||
| 2313 | 34052454 | S | 1998-02-05 | 13 | |||
| 2487 | 34052454 | W | 1998-07-28 | 2 | |||
| 2739 | 34052454 | S | 1999-02-12 | 58 | |||
| 3221 | 34052454 | S | 2000-01-25 | 46 | |||
| 3860 | 34052454 | S | 2001-02-16 | 92 | |||
| 4423 | 34052454 | S | 2002-02-05 | 44 | |||
| 5014 | 34052454 | S | 2003-01-21 | 46 | |||
| 5577 | 34052454 | S | 2004-01-29 | 8 | |||
| 6473 | 34052454 | S | 2005-01-14 | 84 | |||
| 6887 | 34052454 | S | 2006-01-24 | 60 | |||
| 8661 | 34052454 | S | 2007-01-24 | 73 | |||
| 9349 | 34052454 | S | 2008-01-16 | 59 | |||
| 500943 | 34052454 | S | 2009-01-28 | 12 | |||
| 508530 | 34052454 | S | 2011-01-19 | 58 | |||
| 502468 | 34052454 | S | 2012-01-23 | 15 | |||
| 508545 | 34052454 | S | 2013-01-24 | 18 | |||
| 508549 | 34052454 | S | 2014-02-03 | 32 | |||
| 508516 | 34052454 | S | 2015-01-26 | 57 | |||
| 508559 | 34052454 | S | 2016-01-13 | 46 | |||
| 508565 | 34052454 | S | 2017-01-11 | 19 | |||
| 506861 | 34052454 | S | 2018-01-27 | 35 | |||
| 507670 | 34052454 | S | 2019-02-06 | 98 | |||
| 508421 | 34052454 | S | 2020-02-14 | 118 | |||
| 509970 | 34052454 | S | 2023-02-09 | 10 | |||
| 510589 | 34052454 | S | 2024-02-06 | 300 | |||
| 511201 | 34052454 | S | 2025-02-07 | 39 |