| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 178 | 26182812 | W | 1993-07-17 | 8 | |||
| 373 | 26182812 | W | 1994-07-15 | 11 | |||
| 502 | 26182812 | S | 1995-01-14 | 7 | |||
| 695 | 26182812 | S | 1996-02-08 | 25 | |||
| 2087 | 26182812 | W | 1997-07-20 | 128 | |||
| 2377 | 26182812 | S | 1998-02-01 | 1 | |||
| 4556 | 26182812 | W | 2002-07-27 | 11 | |||
| 5278 | 26182812 | W | 2003-07-20 | 4 | |||
| 5933 | 26182812 | W | 2004-08-09 | 3 | |||
| 8261 | 26182812 | W | 2006-07-18 | 1 | |||
| 9067 | 26182812 | W | 2007-07-18 | 5 | |||
| 500179 | 26182812 | S | 2008-01-31 | 2 | |||
| 508484 | 26182812 | W | 2011-08-04 | 2 | |||
| 508487 | 26182812 | W | 2012-06-28 | 8 | |||
| 503001 | 26182812 | W | 2013-07-22 | 4 | |||
| 504392 | 26182812 | W | 2014-07-16 | 20 | |||
| 505150 | 26182812 | W | 2015-07-16 | 10 | |||
| 506004 | 26182812 | W | 2016-07-27 | 6 | |||
| 507472 | 26182812 | S | 2017-02-02 | 3 | |||
| 508758 | 26182812 | W | 2020-07-07 | 2 |