| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 145 | 29493102 | S | 1993-01-10 | 28 | |||
| 267 | 29493102 | S | 1994-01-13 | 22 | |||
| 493 | 29493102 | S | 1995-01-24 | 31 | |||
| 667 | 29493102 | S | 1996-01-21 | 6 | |||
| 1002 | 29493102 | S | 1997-02-02 | 18 | |||
| 2416 | 29493102 | S | 1998-02-15 | 16 | |||
| 2807 | 29493102 | S | 1999-01-15 | 11 | |||
| 3256 | 29493102 | S | 2000-01-23 | 34 | |||
| 3649 | 29493102 | S | 2001-01-28 | 33 | |||
| 4281 | 29493102 | S | 2002-01-27 | 91 | |||
| 5557 | 29493102 | S | 2004-01-25 | 15 | |||
| 6209 | 29493102 | S | 2005-01-30 | 32 | |||
| 6973 | 29493102 | S | 2006-01-29 | 85 | |||
| 8727 | 29493102 | S | 2007-01-21 | 43 | |||
| 500164 | 29493102 | S | 2008-01-26 | 60 | |||
| 500478 | 29493102 | S | 2009-02-01 | 2 | |||
| 502085 | 29493102 | S | 2010-10-30 | 30 | |||
| 503438 | 29493102 | S | 2011-01-22 | 44 | |||
| 502567 | 29493102 | S | 2013-02-03 | 50 | |||
| 503475 | 29493102 | S | 2014-01-19 | 73 | |||
| 504679 | 29493102 | S | 2015-01-24 | 82 | |||
| 505387 | 29493102 | S | 2016-01-24 | 49 | |||
| 506245 | 29493102 | S | 2017-01-29 | 9 | |||
| 506829 | 29493102 | S | 2018-01-28 | 1 | |||
| 507576 | 29493102 | S | 2019-01-27 | 16 | |||
| 508183 | 29493102 | S | 2020-01-26 | 97 | |||
| 509878 | 29493102 | S | 2023-01-22 | 32 | |||
| 510453 | 29493102 | S | 2024-01-28 | 38 | |||
| 511167 | 29493102 | S | 2025-02-16 | 53 |