| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 2124 | 32481811 | S | 1993-01-16 | 25 | |||
| 2149 | 32481811 | S | 1994-01-16 | 27 | |||
| 2163 | 32481811 | S | 1995-01-15 | 2 | |||
| 781 | 32481811 | S | 1996-01-21 | 3 | |||
| 1038 | 32481811 | S | 1997-01-26 | 110 | |||
| 2219 | 32481811 | S | 1998-02-08 | 67 | |||
| 2438 | 32481811 | W | 1998-07-26 | 3 | |||
| 2823 | 32481811 | S | 1999-01-17 | 10 | |||
| 3177 | 32481811 | S | 2000-01-23 | 55 | |||
| 3419 | 32481811 | W | 2000-07-16 | 1 | |||
| 3799 | 32481811 | S | 2001-01-21 | 110 | |||
| 4440 | 32481811 | S | 2002-01-27 | 45 | |||
| 4824 | 32481811 | S | 2003-02-02 | 6 | |||
| 5470 | 32481811 | S | 2004-02-01 | 9 | |||
| 1753 | 32481811 | S | 2005-02-20 | 12 | |||
| 1856 | 32481811 | O | 2005-10-16 | 46 | |||
| 1869 | 32481811 | O | 2005-11-13 | 28 | |||
| 6929 | 32481811 | S | 2006-02-26 | 10 | |||
| 8889 | 32481811 | S | 2007-01-28 | 29 | |||
| 500065 | 32481811 | S | 2008-02-17 | 12 | |||
| 500742 | 32481811 | S | 2009-02-22 | 10 | |||
| 502027 | 32481811 | S | 2010-03-14 | 24 | |||
| 504507 | 32481811 | S | 2011-01-30 | 11 | |||
| 504503 | 32481811 | S | 2012-03-04 | 1 | |||
| 504504 | 32481811 | S | 2013-01-27 | 4 | |||
| 503647 | 32481811 | S | 2014-02-16 | 19 | |||
| 504723 | 32481811 | S | 2015-02-01 | 2 | |||
| 505454 | 32481811 | S | 2016-02-07 | 7 | |||
| 506189 | 32481811 | S | 2017-01-22 | 2 | |||
| 506846 | 32481811 | S | 2018-01-28 | 12 | |||
| 507614 | 32481811 | S | 2019-02-03 | 8 | |||
| 508940 | 32481811 | S | 2021-02-07 | 8 | |||
| 509956 | 32481811 | S | 2023-02-12 | 8 | |||
| 510578 | 32481811 | S | 2024-02-04 | 8 |