| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 2124 | 32481811 | S | 1993-01-16 | 2 | |||
| 2149 | 32481811 | S | 1994-01-16 | 3 | |||
| 2163 | 32481811 | S | 1995-01-15 | 6 | |||
| 2180 | 32481811 | W | 1995-07-30 | 2 | |||
| 781 | 32481811 | S | 1996-01-21 | 223 | |||
| 1038 | 32481811 | S | 1997-01-26 | 23 | |||
| 2007 | 32481811 | W | 1997-07-20 | 25 | |||
| 2219 | 32481811 | S | 1998-02-08 | 14 | |||
| 2823 | 32481811 | S | 1999-01-17 | 51 | |||
| 3177 | 32481811 | S | 2000-01-23 | 16 | |||
| 3419 | 32481811 | W | 2000-07-16 | 5 | |||
| 3799 | 32481811 | S | 2001-01-21 | 10 | |||
| 4440 | 32481811 | S | 2002-01-27 | 37 | |||
| 4491 | 32481811 | W | 2002-07-28 | 1 | |||
| 4824 | 32481811 | S | 2003-02-02 | 32 | |||
| 5149 | 32481811 | W | 2003-07-27 | 7 | |||
| 5470 | 32481811 | S | 2004-02-01 | 24 | |||
| 1753 | 32481811 | S | 2005-02-20 | 17 | |||
| 1844 | 32481811 | O | 2005-09-18 | 5 | |||
| 1856 | 32481811 | O | 2005-10-16 | 10 | |||
| 1869 | 32481811 | O | 2005-11-13 | 197 | |||
| 6929 | 32481811 | S | 2006-02-26 | 39 | |||
| 8294 | 32481811 | W | 2006-07-23 | 1 | |||
| 8889 | 32481811 | S | 2007-01-28 | 247 | |||
| 94089 | 32481811 | O | 2007-04-04 | 208 | |||
| 500065 | 32481811 | S | 2008-02-17 | 9 | |||
| 500601 | 32481811 | W | 2008-07-19 | 5 | |||
| 500742 | 32481811 | S | 2009-02-22 | 13 | |||
| 502027 | 32481811 | S | 2010-03-14 | 8 | |||
| 504507 | 32481811 | S | 2011-01-30 | 233 | |||
| 504502 | 32481811 | W | 2011-07-31 | 3 | |||
| 504503 | 32481811 | S | 2012-03-04 | 54 | |||
| 504504 | 32481811 | S | 2013-01-27 | 21 | |||
| 503647 | 32481811 | S | 2014-02-16 | 14 | |||
| 504723 | 32481811 | S | 2015-02-01 | 12 | |||
| 505014 | 32481811 | W | 2015-07-12 | 1 | |||
| 505454 | 32481811 | S | 2016-02-07 | 8 | |||
| 506588 | 32481811 | W | 2017-07-23 | 4 | |||
| 506846 | 32481811 | S | 2018-01-28 | 10 | |||
| 507614 | 32481811 | S | 2019-02-03 | 28 | |||
| 508288 | 32481811 | S | 2020-02-09 | 26 | |||
| 508940 | 32481811 | S | 2021-02-07 | 61 | |||
| 509089 | 32481811 | W | 2021-07-18 | 51 | |||
| 509420 | 32481811 | S | 2022-02-06 | 15 | |||
| 509956 | 32481811 | S | 2023-02-12 | 38 | |||
| 510578 | 32481811 | S | 2024-02-04 | 23 |