| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 743 | 28303212 | S | 1996-01-24 | 1 | |||
| 1018 | 28303212 | S | 1997-03-10 | 6 | |||
| 2630 | 28303212 | W | 1998-07-27 | 19 | |||
| 2812 | 28303212 | S | 1999-02-12 | 6 | |||
| 2986 | 28303212 | W | 1999-08-16 | 4 | |||
| 3260 | 28303212 | S | 2000-02-03 | 3 | |||
| 3389 | 28303212 | W | 2000-07-28 | 15 | |||
| 3887 | 28303212 | S | 2001-02-01 | 1 | |||
| 4070 | 28303212 | W | 2001-08-14 | 12 | |||
| 4288 | 28303212 | S | 2002-01-23 | 16 | |||
| 4610 | 28303212 | W | 2002-08-20 | 5 | |||
| 4845 | 28303212 | S | 2003-02-05 | 36 | |||
| 5210 | 28303212 | W | 2003-08-15 | 29 | |||
| 5967 | 28303212 | W | 2004-08-05 | 7 | |||
| 6956 | 28303212 | S | 2006-01-25 | 19 | |||
| 8162 | 28303212 | W | 2006-08-23 | 2 | |||
| 8608 | 28303212 | S | 2007-02-08 | 1 | |||
| 500043 | 28303212 | S | 2008-02-20 | 4 | |||
| 500372 | 28303212 | W | 2008-08-06 | 3 | |||
| 500852 | 28303212 | S | 2009-02-03 | 17 | |||
| 501357 | 28303212 | W | 2009-07-29 | 28 | |||
| 502148 | 28303212 | S | 2010-01-15 | 9 | |||
| 503268 | 28303212 | S | 2012-02-03 | 7 | |||
| 507055 | 28303212 | O | 2018-03-28 | 2 |