| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 159 | 25542842 | S | 1993-01-30 | 10 | |||
| 298 | 25542842 | S | 1994-01-15 | 18 | |||
| 3062 | 25542842 | W | 1999-08-20 | 1 | |||
| 3236 | 25542842 | S | 2000-01-29 | 1 | |||
| 3773 | 25542842 | S | 2001-01-31 | 19 | |||
| 4355 | 25542842 | S | 2002-01-19 | 11 | |||
| 5700 | 25542842 | S | 2004-01-31 | 576 | |||
| 6204 | 25542842 | S | 2005-02-12 | 15 | |||
| 7036 | 25542842 | S | 2006-01-21 | 1 | |||
| 8764 | 25542842 | S | 2007-01-20 | 38 | |||
| 500352 | 25542842 | W | 2008-08-08 | 1 | |||
| 500761 | 25542842 | S | 2009-02-08 | 61 | |||
| 501982 | 25542842 | O | 2010-12-12 | 5 | |||
| 503053 | 25542842 | W | 2013-07-25 | 1 | |||
| 503743 | 25542842 | S | 2014-02-13 | 64 | |||
| 504819 | 25542842 | S | 2015-02-05 | 15 | |||
| 505591 | 25542842 | S | 2016-03-02 | 212 | |||
| 507279 | 25542842 | S | 2017-01-31 | 8 | |||
| 507282 | 25542842 | S | 2018-02-20 | 258 | |||
| 507616 | 25542842 | S | 2019-01-31 | 229 | |||
| 508176 | 25542842 | S | 2020-01-22 | 57 | |||
| 508684 | 25542842 | W | 2020-08-06 | 1 | |||
| 508996 | 25542842 | S | 2021-02-17 | 4 | |||
| 509447 | 25542842 | S | 2022-01-22 | 1 | |||
| 510037 | 25542842 | S | 2023-02-07 | 2 |