| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 3871 | 23372923 | S | 2001-01-21 | 38 | |||
| 4190 | 23372923 | S | 2002-01-26 | 14 | |||
| 4594 | 23372923 | W | 2002-07-28 | 1 | |||
| 4919 | 23372923 | S | 2003-02-01 | 32 | |||
| 5705 | 23372923 | S | 2004-02-07 | 12 | |||
| 6227 | 23372923 | S | 2005-01-29 | 17 | |||
| 6523 | 23372923 | W | 2005-08-06 | 2 | |||
| 8084 | 23372923 | S | 2006-02-05 | 9 | |||
| 8146 | 23372923 | W | 2006-08-11 | 8 | |||
| 8798 | 23372923 | S | 2007-02-03 | 45 | |||
| 9007 | 23372923 | W | 2007-08-02 | 14 | |||
| 9429 | 23372923 | S | 2008-02-05 | 16 | |||
| 500831 | 23372923 | S | 2009-02-04 | 12 | |||
| 501173 | 23372923 | W | 2009-07-29 | 6 | |||
| 502826 | 23372923 | S | 2011-02-09 | 28 | |||
| 504609 | 23372923 | S | 2012-02-27 | 9 | |||
| 504610 | 23372923 | S | 2013-02-13 | 14 | |||
| 504611 | 23372923 | W | 2013-07-30 | 1 | |||
| 503760 | 23372923 | S | 2014-02-25 | 20 | |||
| 504320 | 23372923 | W | 2014-07-10 | 5 | |||
| 504821 | 23372923 | S | 2015-02-25 | 2 | |||
| 505560 | 23372923 | O | 2016-03-08 | 10 | |||
| 507062 | 23372923 | W | 2018-06-21 | 2 | |||
| 508498 | 23372923 | S | 2020-02-04 | 2 | |||
| 509114 | 23372923 | W | 2021-07-20 | 2 | |||
| 509968 | 23372923 | S | 2023-02-16 | 3 |