| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 52 | 27393224 | W | 1992-06-30 | 21 | |||
| 224 | 27393224 | W | 1993-07-20 | 11 | |||
| 581 | 27393224 | W | 1995-07-16 | 11 | |||
| 2615 | 27393224 | W | 1998-07-14 | 13 | |||
| 3000 | 27393224 | W | 1999-07-20 | 11 | |||
| 4096 | 27393224 | W | 2001-07-20 | 7 | |||
| 4696 | 27393224 | W | 2002-07-23 | 7 | |||
| 5216 | 27393224 | W | 2003-07-15 | 108 | 75 | ||
| 5959 | 27393224 | W | 2004-07-18 | 20 | |||
| 500379 | 27393224 | W | 2008-07-23 | 4 | |||
| 501364 | 27393224 | W | 2009-07-26 | 12 | |||
| 502160 | 27393224 | W | 2010-08-12 | 73 | |||
| 502311 | 27393224 | W | 2011-08-12 | 12 | |||
| 503306 | 27393224 | W | 2012-08-15 | 1 | |||
| 503308 | 27393224 | W | 2013-07-31 | 20 | |||
| 506713 | 27393224 | O | 2017-08-01 | 20 | |||
| 507243 | 27393224 | O | 2018-08-17 | 1 | |||
| 508353 | 27393224 | O | 2019-09-04 | 3 |