| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 2124 | 32481811 | S | 1993-01-16 | 621 | |||
| 2149 | 32481811 | S | 1994-01-16 | 50 | |||
| 2139 | 32481811 | W | 1994-08-07 | 422 | |||
| 2163 | 32481811 | S | 1995-01-15 | 262 | |||
| 2180 | 32481811 | W | 1995-07-30 | 87 | |||
| 781 | 32481811 | S | 1996-01-21 | 66 | |||
| 923 | 32481811 | W | 1996-07-28 | 210 | |||
| 1038 | 32481811 | S | 1997-01-26 | 4 | |||
| 2007 | 32481811 | W | 1997-07-20 | 24 | |||
| 2219 | 32481811 | S | 1998-02-08 | 165 | |||
| 2438 | 32481811 | W | 1998-07-26 | 465 | |||
| 2823 | 32481811 | S | 1999-01-17 | 218 | |||
| 2873 | 32481811 | W | 1999-07-11 | 315 | |||
| 3177 | 32481811 | S | 2000-01-23 | 181 | |||
| 3419 | 32481811 | W | 2000-07-16 | 260 | |||
| 3799 | 32481811 | S | 2001-01-21 | 252 | |||
| 3945 | 32481811 | W | 2001-08-05 | 370 | |||
| 4440 | 32481811 | S | 2002-01-27 | 414 | |||
| 4491 | 32481811 | W | 2002-07-28 | 245 | |||
| 4824 | 32481811 | S | 2003-02-02 | 166 | |||
| 5149 | 32481811 | W | 2003-07-27 | 311 | |||
| 5470 | 32481811 | S | 2004-02-01 | 296 | |||
| 6143 | 32481811 | W | 2004-08-01 | 536 | |||
| 1753 | 32481811 | S | 2005-02-20 | 154 | |||
| 6704 | 32481811 | W | 2005-07-31 | 926 | 625 | 750 | |
| 1844 | 32481811 | O | 2005-09-18 | 588 | |||
| 1856 | 32481811 | O | 2005-10-16 | 861 | 625 | 750 | |
| 1869 | 32481811 | O | 2005-11-13 | 796 | 625 | 750 | |
| 6929 | 32481811 | S | 2006-02-26 | 122 | |||
| 8294 | 32481811 | W | 2006-07-23 | 318 | |||
| 9326 | 32481811 | W | 2007-07-29 | 327 | |||
| 500065 | 32481811 | S | 2008-02-17 | 56 | |||
| 500601 | 32481811 | W | 2008-07-19 | 215 | |||
| 500742 | 32481811 | S | 2009-02-22 | 14 | |||
| 501095 | 32481811 | W | 2009-08-02 | 431 | |||
| 502027 | 32481811 | S | 2010-03-14 | 101 | |||
| 504501 | 32481811 | W | 2010-07-25 | 175 | |||
| 504507 | 32481811 | S | 2011-01-30 | 387 | |||
| 504502 | 32481811 | W | 2011-07-31 | 257 | |||
| 504503 | 32481811 | S | 2012-03-04 | 949 | 625 | 750 | |
| 504504 | 32481811 | S | 2013-01-27 | 316 | |||
| 503647 | 32481811 | S | 2014-02-16 | 432 | |||
| 504261 | 32481811 | W | 2014-06-29 | 410 | |||
| 504723 | 32481811 | S | 2015-02-01 | 407 | |||
| 505014 | 32481811 | W | 2015-07-12 | 720 | 625 | ||
| 505454 | 32481811 | S | 2016-02-07 | 853 | 625 | 750 | |
| 505798 | 32481811 | W | 2016-07-24 | 616 | |||
| 506189 | 32481811 | S | 2017-01-22 | 593 | |||
| 506588 | 32481811 | W | 2017-07-23 | 480 | |||
| 506846 | 32481811 | S | 2018-01-28 | 164 | |||
| 507104 | 32481811 | W | 2018-07-22 | 438 | |||
| 507614 | 32481811 | S | 2019-02-03 | 245 | |||
| 507778 | 32481811 | W | 2019-07-14 | 482 | |||
| 508288 | 32481811 | S | 2020-02-09 | 317 | |||
| 508644 | 32481811 | W | 2020-07-26 | 443 | |||
| 508940 | 32481811 | S | 2021-02-07 | 332 | |||
| 509089 | 32481811 | W | 2021-07-18 | 113 | |||
| 509420 | 32481811 | S | 2022-02-06 | 171 | |||
| 509956 | 32481811 | S | 2023-02-12 | 312 | |||
| 510116 | 32481811 | W | 2023-07-16 | 319 | |||
| 510578 | 32481811 | S | 2024-02-04 | 320 | |||
| 510845 | 32481811 | W | 2024-07-28 | 214 | |||
| 511135 | 32481811 | S | 2025-02-02 | 269 | |||
| 511552 | 32481811 | W | 2025-07-27 | 187 |