| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 235 | 29182637 | W | 1993-07-13 | 1 | |||
| 1051 | 29182637 | S | 1997-01-21 | 1 | |||
| 2363 | 29182637 | S | 1998-01-22 | 1 | |||
| 2799 | 29182637 | S | 1999-01-27 | 1 | |||
| 3296 | 29182637 | S | 2000-02-09 | 6 | |||
| 3759 | 29182637 | S | 2001-02-02 | 5 | |||
| 4463 | 29182637 | S | 2002-02-06 | 51 | |||
| 4711 | 29182637 | W | 2002-07-24 | 1 | |||
| 5043 | 29182637 | S | 2003-02-06 | 6 | |||
| 5597 | 29182637 | S | 2004-02-13 | 2 | |||
| 6320 | 29182637 | S | 2005-02-02 | 9 | |||
| 8324 | 29182637 | W | 2006-08-07 | 1 | |||
| 8812 | 29182637 | S | 2007-02-07 | 1 | |||
| 500205 | 29182637 | S | 2008-02-06 | 21 | |||
| 501297 | 29182637 | S | 2009-02-06 | 14 | |||
| 503888 | 29182637 | S | 2010-02-08 | 1 | |||
| 502323 | 29182637 | S | 2011-02-14 | 22 | |||
| 503932 | 29182637 | W | 2011-07-20 | 3 | |||
| 503728 | 29182637 | S | 2013-02-18 | 14 | |||
| 503990 | 29182637 | S | 2014-02-24 | 3 | |||
| 505331 | 29182637 | S | 2015-01-28 | 6 |