| Ref | Site code | Season | Date | Count | IBA | Subregional IBA  | RAMSAR | 
|---|---|---|---|---|---|---|---|
| 4548 | 26132820 | W | 2002-07-25 | 10 | |||
| 5268 | 26132820 | W | 2003-07-23 | 6 | |||
| 5677 | 26132820 | S | 2004-02-16 | 2 | |||
| 8273 | 26132820 | W | 2006-07-20 | 1 | |||
| 8564 | 26132820 | S | 2007-02-15 | 2 | |||
| 9077 | 26132820 | W | 2007-07-23 | 2 | |||
| 500005 | 26132820 | S | 2008-01-28 | 1 | |||
| 500295 | 26132820 | W | 2008-07-31 | 25 | |||
| 500806 | 26132820 | S | 2009-02-03 | 2 | |||
| 501388 | 26132820 | W | 2009-07-22 | 11 | |||
| 507252 | 26132820 | W | 2010-07-14 | 74 | |||
| 507253 | 26132820 | S | 2011-02-03 | 19 | |||
| 507255 | 26132820 | W | 2011-07-26 | 21 | |||
| 507256 | 26132820 | S | 2012-01-17 | 27 | |||
| 507257 | 26132820 | W | 2012-07-17 | 89 | |||
| 507258 | 26132820 | S | 2013-01-29 | 5 | |||
| 503000 | 26132820 | W | 2013-07-10 | 11 | |||
| 503723 | 26132820 | S | 2014-01-22 | 2 | |||
| 504391 | 26132820 | W | 2014-07-08 | 3 | |||
| 504790 | 26132820 | S | 2015-01-15 | 7 | |||
| 505158 | 26132820 | W | 2015-07-08 | 10 | |||
| 505540 | 26132820 | S | 2016-02-04 | 5 | |||
| 507259 | 26132820 | S | 2017-01-10 | 6 | |||
| 507260 | 26132820 | W | 2017-08-02 | 23 | |||
| 507251 | 26132820 | S | 2018-01-10 | 3 | |||
| 507302 | 26132820 | W | 2018-07-04 | 14 | |||
| 507710 | 26132820 | S | 2019-02-08 | 5 | |||
| 507977 | 26132820 | W | 2019-07-25 | 11 | |||
| 508331 | 26132820 | S | 2020-01-14 | 2 | |||
| 508682 | 26132820 | W | 2020-07-30 | 24 | |||
| 509239 | 26132820 | W | 2021-07-15 | 1 | |||
| 509445 | 26132820 | S | 2022-02-17 | 5 | |||
| 509687 | 26132820 | W | 2022-07-22 | 3 | |||
| 510204 | 26132820 | S | 2023-01-17 | 2 | |||
| 510199 | 26132820 | W | 2023-07-25 | 2 | |||
| 510664 | 26132820 | S | 2024-02-14 | 2 | |||
| 510913 | 26132820 | W | 2024-07-31 | 13 | |||
| 511313 | 26132820 | S | 2025-01-17 | 2 | |||
| 511586 | 26132820 | W | 2025-07-22 | 3 |