| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 17 | 26583250 | S | 1992-02-25 | 12 | |||
| 61 | 26583250 | W | 1992-07-13 | 290 | |||
| 204 | 26583250 | W | 1993-07-17 | 22 | |||
| 407 | 26583250 | W | 1994-07-16 | 335 | |||
| 536 | 26583250 | S | 1995-01-21 | 25 | |||
| 614 | 26583250 | W | 1995-07-15 | 207 | |||
| 726 | 26583250 | S | 1996-01-16 | 14 | |||
| 2036 | 26583250 | W | 1997-07-26 | 88 | |||
| 4632 | 26583250 | W | 2002-07-31 | 56 | |||
| 5205 | 26583250 | W | 2003-07-31 | 4 | |||
| 5553 | 26583250 | S | 2004-01-28 | 169 | |||
| 5941 | 26583250 | W | 2004-07-28 | 58 | |||
| 6693 | 26583250 | W | 2005-07-12 | 58 | |||
| 6962 | 26583250 | S | 2006-01-21 | 53 | |||
| 9032 | 26583250 | W | 2007-07-10 | 22 | |||
| 500373 | 26583250 | W | 2008-07-18 | 47 | |||
| 500839 | 26583250 | S | 2009-01-30 | 6 | |||
| 501348 | 26583250 | W | 2009-07-14 | 9 | |||
| 503200 | 26583250 | W | 2011-07-14 | 5 | |||
| 503204 | 26583250 | O | 2012-07-14 | 5 | |||
| 505042 | 26583250 | S | 2014-02-09 | 125 | |||
| 505239 | 26583250 | W | 2014-08-27 | 43 | |||
| 511005 | 26583250 | S | 2015-02-05 | 203 | |||
| 511007 | 26583250 | W | 2015-07-29 | 65 | |||
| 506298 | 26583250 | S | 2016-02-03 | 206 | |||
| 506352 | 26583250 | W | 2016-07-19 | 205 | |||
| 506740 | 26583250 | W | 2017-07-10 | 49 | |||
| 507239 | 26583250 | O | 2018-08-21 | 7 | |||
| 508361 | 26583250 | S | 2019-02-13 | 53 | |||
| 508362 | 26583250 | O | 2019-08-21 | 416 | |||
| 508376 | 26583250 | S | 2020-02-26 | 4 | |||
| 510985 | 26583250 | O | 2024-08-20 | 139 |