| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 22 | 28522600 | S | 1992-01-28 | 23 | |||
| 346 | 28522600 | S | 1994-01-17 | 2 | |||
| 736 | 28522600 | S | 1996-01-24 | 18 | |||
| 1050 | 28522600 | S | 1997-01-22 | 44 | |||
| 2361 | 28522600 | S | 1998-02-12 | 2 | |||
| 2797 | 28522600 | S | 1999-02-15 | 2 | |||
| 3295 | 28522600 | S | 2000-02-16 | 7 | |||
| 3757 | 28522600 | S | 2001-02-06 | 5 | |||
| 4462 | 28522600 | S | 2002-02-08 | 7 | |||
| 4692 | 28522600 | W | 2002-08-05 | 1 | |||
| 5045 | 28522600 | S | 2003-02-18 | 11 | |||
| 5605 | 28522600 | S | 2004-02-17 | 2 | |||
| 1986 | 28522600 | S | 2006-02-22 | 13 | |||
| 8809 | 28522600 | S | 2007-02-14 | 10 | |||
| 500286 | 28522600 | S | 2008-02-12 | 7 | |||
| 501149 | 28522600 | W | 2008-07-24 | 1 | |||
| 501292 | 28522600 | S | 2009-02-09 | 23 | |||
| 503866 | 28522600 | S | 2010-02-10 | 10 | |||
| 502283 | 28522600 | S | 2011-02-24 | 1 | |||
| 503923 | 28522600 | W | 2011-07-22 | 2 | |||
| 503924 | 28522600 | S | 2012-02-05 | 92 | |||
| 503181 | 28522600 | S | 2013-02-20 | 158 | |||
| 503977 | 28522600 | S | 2014-02-25 | 1 | |||
| 505375 | 28522600 | S | 2015-02-22 | 7 |