| Ref | Site code | Season | Date | Count | IBA | Subregional IBA  | RAMSAR | 
|---|---|---|---|---|---|---|---|
| 2539 | 25382821 | W | 1998-07-25 | 6 | |||
| 3402 | 25382821 | W | 2000-08-05 | 14 | |||
| 4124 | 25382821 | W | 2001-07-18 | 13 | |||
| 4360 | 25382821 | S | 2002-02-05 | 29 | |||
| 4543 | 25382821 | W | 2002-07-12 | 19 | |||
| 4985 | 25382821 | S | 2003-02-07 | 109 | |||
| 5267 | 25382821 | W | 2003-07-11 | 38 | |||
| 5673 | 25382821 | S | 2004-01-29 | 58 | |||
| 5883 | 25382821 | W | 2004-07-23 | 18 | |||
| 6500 | 25382821 | S | 2005-02-03 | 66 | |||
| 6736 | 25382821 | W | 2005-07-08 | 4 | |||
| 8137 | 25382821 | S | 2006-01-26 | 9 | |||
| 8266 | 25382821 | W | 2006-07-26 | 9 | |||
| 8575 | 25382821 | S | 2007-02-02 | 82 | |||
| 9081 | 25382821 | W | 2007-08-03 | 10 | |||
| 500180 | 25382821 | S | 2008-02-01 | 6 | |||
| 500345 | 25382821 | W | 2008-08-01 | 20 | |||
| 500824 | 25382821 | S | 2009-02-12 | 1 | |||
| 501113 | 25382821 | W | 2009-07-09 | 15 | |||
| 502183 | 25382821 | S | 2010-01-21 | 9 | |||
| 504420 | 25382821 | S | 2011-01-20 | 1 | |||
| 504421 | 25382821 | W | 2011-07-12 | 11 | |||
| 504422 | 25382821 | S | 2012-02-01 | 12 | |||
| 504423 | 25382821 | W | 2012-07-12 | 15 | |||
| 504424 | 25382821 | S | 2013-02-06 | 10 | |||
| 503048 | 25382821 | W | 2013-07-26 | 32 | |||
| 503742 | 25382821 | S | 2014-01-14 | 19 | |||
| 504404 | 25382821 | W | 2014-07-30 | 39 | |||
| 504814 | 25382821 | S | 2015-01-22 | 12 | |||
| 505267 | 25382821 | W | 2015-07-23 | 10 | |||
| 505550 | 25382821 | S | 2016-02-26 | 22 | |||
| 506005 | 25382821 | W | 2016-07-22 | 19 | |||
| 507475 | 25382821 | S | 2017-01-24 | 9 | |||
| 507476 | 25382821 | W | 2017-07-14 | 16 | |||
| 507477 | 25382821 | S | 2018-01-30 | 30 | |||
| 507362 | 25382821 | W | 2018-07-17 | 9 | |||
| 508064 | 25382821 | S | 2019-01-31 | 56 | |||
| 508098 | 25382821 | W | 2019-07-23 | 32 | |||
| 508439 | 25382821 | S | 2020-01-29 | 10 | |||
| 508695 | 25382821 | W | 2020-07-31 | 173 | |||
| 508886 | 25382821 | S | 2021-01-25 | 53 | |||
| 509080 | 25382821 | W | 2021-07-13 | 57 | |||
| 509436 | 25382821 | S | 2022-02-15 | 36 | |||
| 509744 | 25382821 | W | 2022-07-27 | 26 | |||
| 510029 | 25382821 | S | 2023-01-27 | 31 | |||
| 510129 | 25382821 | W | 2023-07-18 | 24 | |||
| 510641 | 25382821 | S | 2024-02-01 | 9 | |||
| 510915 | 25382821 | W | 2024-07-23 | 23 | |||
| 511125 | 25382821 | S | 2025-02-04 | 9 | |||
| 511565 | 25382821 | W | 2025-07-31 | 15 |