| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 653 | 33502533 | W | 1995-07-02 | 1 | |||
| 701 | 33502533 | S | 1996-01-14 | 271 | |||
| 1024 | 33502533 | S | 1997-01-19 | 304 | |||
| 2299 | 33502533 | S | 1998-01-18 | 106 | |||
| 2804 | 33502533 | S | 1999-01-31 | 469 | |||
| 3355 | 33502533 | S | 2000-02-12 | 184 | |||
| 3863 | 33502533 | S | 2001-01-21 | 45 | |||
| 4449 | 33502533 | S | 2002-01-06 | 419 | |||
| 5008 | 33502533 | S | 2003-01-19 | 57 | |||
| 5570 | 33502533 | S | 2004-01-25 | 126 | |||
| 6378 | 33502533 | S | 2005-01-30 | 270 | |||
| 8126 | 33502533 | S | 2006-02-03 | 487 | |||
| 8699 | 33502533 | S | 2007-01-21 | 1353 | |||
| 500063 | 33502533 | S | 2008-02-03 | 473 | |||
| 500969 | 33502533 | S | 2009-02-08 | 490 | |||
| 510566 | 33502533 | S | 2010-01-23 | 169 | |||
| 510563 | 33502533 | S | 2011-02-07 | 498 | |||
| 510560 | 33502533 | W | 2011-07-16 | 1 | |||
| 510535 | 33502533 | S | 2012-02-14 | 144 | |||
| 510533 | 33502533 | S | 2013-01-12 | 282 | |||
| 510527 | 33502533 | S | 2014-01-16 | 954 | |||
| 510525 | 33502533 | S | 2015-01-20 | 413 | |||
| 510522 | 33502533 | S | 2016-01-31 | 455 | |||
| 510519 | 33502533 | S | 2017-01-22 | 729 | |||
| 510485 | 33502533 | S | 2018-01-20 | 2 | |||
| 510409 | 33502533 | S | 2020-01-23 | 131 | |||
| 510483 | 33502533 | S | 2024-01-21 | 88 | |||
| 511144 | 33502533 | S | 2025-01-17 | 168 |