| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 131 | 33181845 | S | 1993-01-17 | 1750 | 420 | 210 | 500 |
| 276 | 33181845 | S | 1994-01-16 | 778 | 420 | 210 | 500 |
| 459 | 33181845 | S | 1995-01-22 | 817 | 420 | 210 | 500 |
| 597 | 33181845 | W | 1995-07-23 | 3 | |||
| 671 | 33181845 | S | 1996-01-28 | 578 | 420 | 210 | 500 |
| 844 | 33181845 | W | 1996-07-21 | 1 | |||
| 1020 | 33181845 | S | 1997-02-02 | 161 | |||
| 2252 | 33181845 | S | 1998-02-15 | 645 | 420 | 210 | 500 |
| 2464 | 33181845 | W | 1998-07-19 | 3 | |||
| 2769 | 33181845 | S | 1999-02-07 | 1435 | 420 | 210 | 500 |
| 2879 | 33181845 | W | 1999-07-18 | 13 | |||
| 3161 | 33181845 | S | 2000-02-06 | 516 | 420 | 210 | 500 |
| 3438 | 33181845 | W | 2000-07-23 | 4 | |||
| 4243 | 33181845 | S | 2002-02-03 | 555 | 420 | 210 | 500 |
| 4804 | 33181845 | S | 2003-01-26 | 479 | 420 | 210 | |
| 5180 | 33181845 | W | 2003-07-06 | 223 | 210 | ||
| 5450 | 33181845 | S | 2004-01-18 | 762 | 420 | 210 | 500 |
| 6242 | 33181845 | S | 2005-01-16 | 37 | |||
| 7067 | 33181845 | S | 2006-01-15 | 398 | 210 | ||
| 8775 | 33181845 | S | 2007-01-21 | 606 | 420 | 210 | 500 |
| 9128 | 33181845 | W | 2007-07-22 | 6 | |||
| 500168 | 33181845 | S | 2008-01-19 | 231 | 210 | ||
| 500775 | 33181845 | S | 2009-02-08 | 150 | |||
| 502177 | 33181845 | S | 2010-01-24 | 317 | 210 | ||
| 503897 | 33181845 | W | 2010-08-03 | 3 | |||
| 503894 | 33181845 | S | 2011-02-06 | 345 | 210 | ||
| 503898 | 33181845 | W | 2011-08-02 | 5 | |||
| 503895 | 33181845 | S | 2012-02-01 | 452 | 420 | 210 | |
| 503896 | 33181845 | W | 2012-07-17 | 2 | |||
| 502988 | 33181845 | S | 2013-01-23 | 288 | 210 | ||
| 503493 | 33181845 | S | 2014-01-22 | 130 | |||
| 504746 | 33181845 | S | 2015-01-29 | 154 | |||
| 505482 | 33181845 | S | 2016-02-06 | 549 | 420 | 210 | 500 |
| 506209 | 33181845 | S | 2017-01-26 | 236 | 210 | ||
| 506836 | 33181845 | S | 2018-01-27 | 38 | |||
| 507234 | 33181845 | W | 2018-08-24 | 12 | |||
| 507586 | 33181845 | S | 2019-01-19 | 643 | 420 | 210 | 500 |
| 507831 | 33181845 | W | 2019-07-15 | 2 | |||
| 508705 | 33181845 | W | 2020-08-30 | 4 | |||
| 508976 | 33181845 | S | 2021-02-07 | 13 | |||
| 509200 | 33181845 | W | 2021-08-05 | 8 | |||
| 509453 | 33181845 | S | 2022-02-16 | 4 | |||
| 509982 | 33181845 | S | 2023-02-19 | 53 | |||
| 510598 | 33181845 | S | 2024-02-10 | 58 | |||
| 511291 | 33181845 | S | 2025-02-15 | 338 | 210 |