| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 2304 | 33582505 | S | 1998-01-22 | 43 | |||
| 2741 | 33582505 | S | 1999-02-19 | 11 | |||
| 3225 | 33582505 | S | 2000-02-03 | 22 | |||
| 3858 | 33582505 | S | 2001-01-19 | 39 | |||
| 4421 | 33582505 | S | 2002-02-07 | 22 | |||
| 5013 | 33582505 | S | 2003-01-17 | 43 | |||
| 5576 | 33582505 | S | 2004-02-02 | 17 | |||
| 6430 | 33582505 | S | 2005-01-19 | 6 | |||
| 6641 | 33582505 | W | 2005-07-18 | 2 | |||
| 6889 | 33582505 | S | 2006-02-07 | 40 | |||
| 8427 | 33582505 | W | 2006-06-27 | 2 | |||
| 8658 | 33582505 | S | 2007-02-14 | 33 | |||
| 9346 | 33582505 | S | 2008-01-21 | 14 | |||
| 500937 | 33582505 | S | 2009-01-21 | 37 | |||
| 501977 | 33582505 | S | 2010-01-25 | 34 | |||
| 508528 | 33582505 | S | 2011-01-14 | 4 | |||
| 502469 | 33582505 | S | 2012-01-18 | 6 | |||
| 502952 | 33582505 | S | 2013-01-21 | 37 | |||
| 508547 | 33582505 | S | 2014-01-27 | 52 | |||
| 508514 | 33582505 | S | 2015-01-29 | 27 | |||
| 508569 | 33582505 | S | 2017-01-24 | 15 | |||
| 506859 | 33582505 | S | 2018-01-26 | 72 | |||
| 507673 | 33582505 | S | 2019-01-30 | 58 | |||
| 507965 | 33582505 | W | 2019-07-12 | 9 | |||
| 508422 | 33582505 | S | 2020-02-21 | 38 | |||
| 509449 | 33582505 | S | 2022-02-18 | 22 | |||
| 509980 | 33582505 | S | 2023-02-03 | 86 | |||
| 510590 | 33582505 | S | 2024-02-11 | 62 | |||
| 511101 | 33582505 | S | 2025-01-26 | 62 |