| Ref | Site code | Season | Date | Count | IBA | Subregional IBA  | RAMSAR | 
|---|---|---|---|---|---|---|---|
| 22 | 28522600 | S | 1992-01-28 | 210 | |||
| 78 | 28522600 | W | 1992-07-07 | 5 | |||
| 156 | 28522600 | S | 1993-01-14 | 370 | |||
| 346 | 28522600 | S | 1994-01-17 | 46 | |||
| 429 | 28522600 | W | 1994-07-27 | 36 | |||
| 526 | 28522600 | S | 1995-01-25 | 114 | |||
| 648 | 28522600 | W | 1995-07-17 | 1 | |||
| 736 | 28522600 | S | 1996-01-24 | 169 | |||
| 1050 | 28522600 | S | 1997-01-22 | 1182 | 1000 | ||
| 2361 | 28522600 | S | 1998-02-12 | 17 | |||
| 3295 | 28522600 | S | 2000-02-16 | 282 | |||
| 3559 | 28522600 | W | 2000-07-11 | 1 | |||
| 3757 | 28522600 | S | 2001-02-06 | 151 | |||
| 4462 | 28522600 | S | 2002-02-08 | 348 | |||
| 4692 | 28522600 | W | 2002-08-05 | 1 | |||
| 5045 | 28522600 | S | 2003-02-18 | 60 | |||
| 5605 | 28522600 | S | 2004-02-17 | 14 | |||
| 6121 | 28522600 | W | 2004-08-13 | 1 | |||
| 6317 | 28522600 | S | 2005-02-09 | 5 | |||
| 8320 | 28522600 | W | 2006-08-28 | 34 | |||
| 8809 | 28522600 | S | 2007-02-14 | 24 | |||
| 500286 | 28522600 | S | 2008-02-12 | 107 | |||
| 501292 | 28522600 | S | 2009-02-09 | 1584 | 1000 | ||
| 503866 | 28522600 | S | 2010-02-10 | 318 | |||
| 502283 | 28522600 | S | 2011-02-24 | 11 | |||
| 503924 | 28522600 | S | 2012-02-05 | 190 | |||
| 503181 | 28522600 | S | 2013-02-20 | 985 | |||
| 503977 | 28522600 | S | 2014-02-25 | 32 | |||
| 505375 | 28522600 | S | 2015-02-22 | 218 |