| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 2741 | 33582505 | S | 1999-02-19 | 11 | |||
| 3858 | 33582505 | S | 2001-01-19 | 20 | |||
| 4421 | 33582505 | S | 2002-02-07 | 5 | |||
| 5013 | 33582505 | S | 2003-01-17 | 64 | |||
| 5576 | 33582505 | S | 2004-02-02 | 118 | |||
| 6430 | 33582505 | S | 2005-01-19 | 4 | |||
| 6889 | 33582505 | S | 2006-02-07 | 2 | |||
| 8658 | 33582505 | S | 2007-02-14 | 18 | |||
| 9346 | 33582505 | S | 2008-01-21 | 19 | |||
| 501977 | 33582505 | S | 2010-01-25 | 10 | |||
| 508528 | 33582505 | S | 2011-01-14 | 7 | |||
| 502469 | 33582505 | S | 2012-01-18 | 26 | |||
| 502952 | 33582505 | S | 2013-01-21 | 134 | |||
| 508547 | 33582505 | S | 2014-01-27 | 72 | |||
| 508514 | 33582505 | S | 2015-01-29 | 79 | |||
| 508557 | 33582505 | S | 2016-01-19 | 175 | |||
| 508569 | 33582505 | S | 2017-01-24 | 107 | |||
| 506859 | 33582505 | S | 2018-01-26 | 52 | |||
| 507673 | 33582505 | S | 2019-01-30 | 27 | |||
| 507965 | 33582505 | W | 2019-07-12 | 9 | |||
| 508422 | 33582505 | S | 2020-02-21 | 12 | |||
| 508572 | 33582505 | W | 2020-06-20 | 11 | |||
| 509449 | 33582505 | S | 2022-02-18 | 43 | |||
| 509980 | 33582505 | S | 2023-02-03 | 73 | |||
| 510214 | 33582505 | W | 2023-08-02 | 1 | |||
| 510590 | 33582505 | S | 2024-02-11 | 17 |