| Ref | Site code | Season | Date | Count | IBA | Subregional IBA  | RAMSAR | 
|---|---|---|---|---|---|---|---|
| 3235 | 25382821 | S | 2000-01-28 | 62 | |||
| 3772 | 25382821 | S | 2001-02-04 | 80 | |||
| 4360 | 25382821 | S | 2002-02-05 | 104 | |||
| 4985 | 25382821 | S | 2003-02-07 | 105 | |||
| 5673 | 25382821 | S | 2004-01-29 | 274 | |||
| 5883 | 25382821 | W | 2004-07-23 | 1 | |||
| 6500 | 25382821 | S | 2005-02-03 | 44 | |||
| 8137 | 25382821 | S | 2006-01-26 | 30 | |||
| 8575 | 25382821 | S | 2007-02-02 | 6 | |||
| 500180 | 25382821 | S | 2008-02-01 | 73 | |||
| 500824 | 25382821 | S | 2009-02-12 | 39 | |||
| 502183 | 25382821 | S | 2010-01-21 | 55 | |||
| 504420 | 25382821 | S | 2011-01-20 | 82 | |||
| 504422 | 25382821 | S | 2012-02-01 | 66 | |||
| 504424 | 25382821 | S | 2013-02-06 | 21 | |||
| 503742 | 25382821 | S | 2014-01-14 | 87 | |||
| 504814 | 25382821 | S | 2015-01-22 | 11 | |||
| 505550 | 25382821 | S | 2016-02-26 | 18 | |||
| 507475 | 25382821 | S | 2017-01-24 | 178 | |||
| 507477 | 25382821 | S | 2018-01-30 | 706 | |||
| 508064 | 25382821 | S | 2019-01-31 | 768 | |||
| 508439 | 25382821 | S | 2020-01-29 | 99 | |||
| 508886 | 25382821 | S | 2021-01-25 | 99 | |||
| 509436 | 25382821 | S | 2022-02-15 | 13 | |||
| 510029 | 25382821 | S | 2023-01-27 | 58 | |||
| 510641 | 25382821 | S | 2024-02-01 | 99 | |||
| 511125 | 25382821 | S | 2025-02-04 | 165 |