| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 590 | 25202728 | W | 1995-07-23 | 26 | 25 | ||
| 697 | 25202728 | S | 1996-01-27 | 1 | |||
| 806 | 25202728 | W | 1996-07-14 | 5 | |||
| 2096 | 25202728 | W | 1997-07-20 | 3 | |||
| 2527 | 25202728 | W | 1998-07-19 | 2 | |||
| 2657 | 25202728 | S | 1999-01-17 | 1 | |||
| 3079 | 25202728 | W | 1999-07-18 | 93 | 50 | 25 | |
| 3523 | 25202728 | W | 2000-07-16 | 13 | |||
| 3784 | 25202728 | S | 2001-01-14 | 2 | |||
| 4009 | 25202728 | W | 2001-07-15 | 39 | 25 | ||
| 4420 | 25202728 | S | 2002-01-12 | 11 | |||
| 4619 | 25202728 | W | 2002-07-13 | 29 | 25 | ||
| 4915 | 25202728 | S | 2003-01-11 | 9 | |||
| 5255 | 25202728 | W | 2003-07-19 | 5 | |||
| 5588 | 25202728 | S | 2004-01-17 | 23 | |||
| 5888 | 25202728 | W | 2004-07-24 | 57 | 50 | 25 | |
| 6760 | 25202728 | W | 2005-07-16 | 10 | |||
| 7058 | 25202728 | S | 2006-01-14 | 5 | |||
| 8408 | 25202728 | W | 2006-07-15 | 16 | |||
| 8909 | 25202728 | S | 2007-01-13 | 2 | |||
| 9164 | 25202728 | W | 2007-07-14 | 6 | |||
| 500665 | 25202728 | W | 2008-07-12 | 73 | 50 | 25 | |
| 504180 | 25202728 | W | 2009-07-11 | 57 | 50 | 25 | |
| 504343 | 25202728 | S | 2010-01-23 | 6 | |||
| 502773 | 25202728 | W | 2010-07-24 | 106 | 50 | 25 | 100 |
| 502347 | 25202728 | S | 2011-02-24 | 1 | |||
| 502348 | 25202728 | W | 2011-07-09 | 74 | 50 | 25 | |
| 502771 | 25202728 | S | 2012-01-07 | 1 | |||
| 502772 | 25202728 | W | 2012-07-21 | 19 | |||
| 503642 | 25202728 | W | 2013-08-10 | 4 | |||
| 504342 | 25202728 | W | 2014-07-05 | 2 | |||
| 505297 | 25202728 | W | 2015-08-09 | 2 | |||
| 505852 | 25202728 | W | 2016-08-13 | 6 |