| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 9 | 27152741 | S | 1992-01-28 | 15 | |||
| 237 | 27152741 | W | 1993-07-21 | 6 | |||
| 345 | 27152741 | S | 1994-01-20 | 10 | |||
| 2108 | 27152741 | W | 1997-07-22 | 4 | |||
| 2360 | 27152741 | S | 1998-02-04 | 5 | |||
| 2551 | 27152741 | W | 1998-07-29 | 4 | |||
| 2790 | 27152741 | S | 1999-02-02 | 4 | |||
| 3298 | 27152741 | S | 2000-02-15 | 2 | |||
| 3558 | 27152741 | W | 2000-07-11 | 3 | |||
| 3764 | 27152741 | S | 2001-02-06 | 6 | |||
| 3990 | 27152741 | W | 2001-07-17 | 8 | |||
| 4469 | 27152741 | S | 2002-02-08 | 2 | |||
| 4674 | 27152741 | W | 2002-07-31 | 12 | |||
| 5052 | 27152741 | S | 2003-02-11 | 4 | |||
| 5350 | 27152741 | W | 2003-07-16 | 13 | |||
| 6110 | 27152741 | W | 2004-07-25 | 3 | |||
| 6329 | 27152741 | S | 2005-02-23 | 2 | |||
| 1989 | 27152741 | S | 2006-02-16 | 3 | |||
| 94173 | 27152741 | S | 2007-02-27 | 4 | |||
| 500109 | 27152741 | S | 2008-03-04 | 2 | |||
| 500560 | 27152741 | W | 2008-07-29 | 5 | |||
| 504090 | 27152741 | W | 2011-08-29 | 1 | |||
| 503922 | 27152741 | S | 2012-02-16 | 8 | |||
| 505367 | 27152741 | W | 2014-08-12 | 5 | |||
| 505365 | 27152741 | W | 2015-08-04 | 1 |