| Ref | Site code | Season | Date | Count | IBA | Subregional IBA  | RAMSAR | 
|---|---|---|---|---|---|---|---|
| 6251 | 27213240 | S | 2005-02-02 | 23 | |||
| 8163 | 27213240 | W | 2006-07-19 | 8 | |||
| 8616 | 27213240 | S | 2007-02-28 | 6 | |||
| 500385 | 27213240 | W | 2008-07-22 | 1 | |||
| 500845 | 27213240 | S | 2009-01-13 | 26 | |||
| 502134 | 27213240 | S | 2010-01-28 | 5 | |||
| 502292 | 27213240 | W | 2011-08-03 | 8 | |||
| 503251 | 27213240 | S | 2012-02-09 | 72 | |||
| 502526 | 27213240 | W | 2012-07-06 | 29 | |||
| 505087 | 27213240 | S | 2014-02-20 | 1 | |||
| 505206 | 27213240 | W | 2015-08-05 | 22 | |||
| 506308 | 27213240 | S | 2016-02-10 | 9 | |||
| 506354 | 27213240 | O | 2016-09-02 | 96 | |||
| 507729 | 27213240 | O | 2019-02-20 | 4 |