| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 741 | 28213209 | S | 1996-01-24 | 4 | |||
| 1017 | 28213209 | S | 1997-03-10 | 4 | |||
| 2985 | 28213209 | W | 1999-08-16 | 2 | |||
| 3390 | 28213209 | W | 2000-07-28 | 3 | |||
| 3884 | 28213209 | S | 2001-02-01 | 3 | |||
| 4074 | 28213209 | W | 2001-08-14 | 5 | |||
| 4283 | 28213209 | S | 2002-01-23 | 11 | |||
| 4596 | 28213209 | W | 2002-08-20 | 7 | |||
| 4844 | 28213209 | S | 2003-02-05 | 11 | |||
| 5209 | 28213209 | W | 2003-08-15 | 14 | |||
| 5524 | 28213209 | S | 2004-02-12 | 1 | |||
| 6248 | 28213209 | S | 2005-03-16 | 1 | |||
| 6618 | 28213209 | W | 2005-09-08 | 2 | |||
| 6952 | 28213209 | S | 2006-01-25 | 6 | |||
| 8157 | 28213209 | W | 2006-08-23 | 7 | |||
| 8614 | 28213209 | S | 2007-02-08 | 1 | |||
| 9017 | 28213209 | W | 2007-08-21 | 2 | |||
| 500038 | 28213209 | S | 2008-02-20 | 4 | |||
| 500368 | 28213209 | W | 2008-08-06 | 2 | |||
| 500846 | 28213209 | S | 2009-02-03 | 147 | 100 | 50 | |
| 501169 | 28213209 | W | 2009-07-22 | 25 | |||
| 502129 | 28213209 | W | 2010-07-22 | 96 | 50 | ||
| 503237 | 28213209 | S | 2012-02-03 | 11 | |||
| 502523 | 28213209 | O | 2012-08-23 | 19 | |||
| 502636 | 28213209 | S | 2013-03-12 | 13 | |||
| 503239 | 28213209 | W | 2013-08-14 | 9 | |||
| 505047 | 28213209 | S | 2014-02-12 | 13 | |||
| 507052 | 28213209 | O | 2018-03-28 | 3 |