| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 399 | 28303212 | W | 1994-07-22 | 10 | |||
| 616 | 28303212 | W | 1995-08-15 | 10 | |||
| 1018 | 28303212 | S | 1997-03-10 | 10 | |||
| 2329 | 28303212 | S | 1998-01-21 | 2 | |||
| 2630 | 28303212 | W | 1998-07-27 | 219 | |||
| 2812 | 28303212 | S | 1999-02-12 | 16 | |||
| 2986 | 28303212 | W | 1999-08-16 | 11 | |||
| 3389 | 28303212 | W | 2000-07-28 | 574 | |||
| 4070 | 28303212 | W | 2001-08-14 | 115 | |||
| 4610 | 28303212 | W | 2002-08-20 | 2 | |||
| 4845 | 28303212 | S | 2003-02-05 | 96 | |||
| 5526 | 28303212 | S | 2004-02-12 | 334 | |||
| 6249 | 28303212 | S | 2005-03-16 | 18 | |||
| 6956 | 28303212 | S | 2006-01-25 | 35 | |||
| 500043 | 28303212 | S | 2008-02-20 | 9 | |||
| 500852 | 28303212 | S | 2009-02-03 | 19 | |||
| 502148 | 28303212 | S | 2010-01-15 | 27 | |||
| 503271 | 28303212 | W | 2012-08-23 | 36 | |||
| 503270 | 28303212 | W | 2013-08-14 | 90 | |||
| 505071 | 28303212 | S | 2014-02-12 | 1 | |||
| 511023 | 28303212 | O | 2019-03-13 | 1 |