| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 52 | 27393224 | W | 1992-06-30 | 1 | |||
| 115 | 27393224 | S | 1993-01-24 | 15 | |||
| 289 | 27393224 | S | 1994-01-11 | 2 | |||
| 480 | 27393224 | S | 1995-01-11 | 4 | |||
| 581 | 27393224 | W | 1995-07-16 | 1 | |||
| 956 | 27393224 | S | 1997-01-16 | 2 | |||
| 2338 | 27393224 | S | 1998-01-12 | 4 | |||
| 2726 | 27393224 | S | 1999-01-21 | 3 | |||
| 3276 | 27393224 | S | 2000-01-26 | 1 | |||
| 3638 | 27393224 | S | 2001-01-18 | 4 | |||
| 4860 | 27393224 | S | 2003-01-21 | 2 | |||
| 5959 | 27393224 | W | 2004-07-18 | 2 | |||
| 8668 | 27393224 | S | 2007-02-05 | 4 | |||
| 500051 | 27393224 | S | 2008-02-08 | 1 | |||
| 500857 | 27393224 | S | 2009-01-14 | 2 | |||
| 502161 | 27393224 | S | 2010-10-19 | 2 | |||
| 503304 | 27393224 | S | 2011-02-10 | 3 | |||
| 502647 | 27393224 | S | 2013-02-07 | 5 | |||
| 505092 | 27393224 | S | 2014-02-23 | 1 | |||
| 505234 | 27393224 | W | 2014-08-29 | 1 | |||
| 506713 | 27393224 | O | 2017-08-01 | 1 | |||
| 507018 | 27393224 | O | 2018-03-15 | 5 | |||
| 510979 | 27393224 | S | 2022-02-10 | 4 | |||
| 510984 | 27393224 | S | 2024-02-02 | 3 | |||
| 511193 | 27393224 | S | 2025-02-06 | 1 |