| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 30 | 34081821 | S | 1992-01-16 | 6 | |||
| 87 | 34081821 | W | 1992-06-26 | 5 | |||
| 116 | 34081821 | S | 1993-01-18 | 15 | |||
| 272 | 34081821 | S | 1994-01-18 | 34 | |||
| 371 | 34081821 | W | 1994-07-15 | 2 | |||
| 468 | 34081821 | S | 1995-01-09 | 17 | |||
| 700 | 34081821 | S | 1996-01-15 | 26 | |||
| 2268 | 34081821 | S | 1998-02-05 | 14 | |||
| 2746 | 34081821 | S | 1999-02-04 | 34 | |||
| 2888 | 34081821 | W | 1999-07-08 | 95 | |||
| 3164 | 34081821 | S | 2000-02-03 | 37 | |||
| 3435 | 34081821 | W | 2000-07-13 | 56 | |||
| 3896 | 34081821 | S | 2001-02-01 | 73 | |||
| 4202 | 34081821 | S | 2002-01-24 | 33 | |||
| 4478 | 34081821 | W | 2002-07-04 | 42 | |||
| 4800 | 34081821 | S | 2003-02-06 | 47 | |||
| 5129 | 34081821 | W | 2003-07-03 | 54 | |||
| 5507 | 34081821 | S | 2004-01-15 | 55 | |||
| 6027 | 34081821 | W | 2004-07-01 | 28 | |||
| 6476 | 34081821 | S | 2005-02-10 | 4 | |||
| 8554 | 34081821 | S | 2007-02-08 | 6 | |||
| 9443 | 34081821 | S | 2008-02-14 | 35 | |||
| 501675 | 34081821 | S | 2010-02-11 | 63 | |||
| 511727 | 34081821 | S | 2011-02-10 | 21 | |||
| 511735 | 34081821 | W | 2013-07-11 | 3 | |||
| 511736 | 34081821 | S | 2014-02-13 | 58 | |||
| 511738 | 34081821 | S | 2015-02-12 | 31 | |||
| 511742 | 34081821 | S | 2017-02-09 | 4 | |||
| 511749 | 34081821 | S | 2018-02-08 | 6 | |||
| 511751 | 34081821 | S | 2019-02-14 | 94 | |||
| 511753 | 34081821 | S | 2020-02-13 | 37 | |||
| 511754 | 34081821 | O | 2020-09-10 | 8 | |||
| 511755 | 34081821 | S | 2021-02-11 | 35 | |||
| 511756 | 34081821 | W | 2021-07-16 | 1 | |||
| 511757 | 34081821 | S | 2022-02-10 | 52 | |||
| 511759 | 34081821 | S | 2023-02-09 | 14 | |||
| 511760 | 34081821 | W | 2023-07-13 | 19 | |||
| 511763 | 34081821 | S | 2024-02-11 | 7 | |||
| 511765 | 34081821 | W | 2024-07-25 | 2 | |||
| 511729 | 34081821 | S | 2025-02-13 | 97 | |||
| 511728 | 34081821 | W | 2025-07-24 | 8 | |||
| 511726 | 34081821 | S | 2025-12-11 | 57 | |||
| 511724 | 34081821 | S | 2026-01-08 | 59 | |||
| 511917 | 34081821 | S | 2026-02-05 | 109 |