| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 16 | 29462653 | S | 1992-02-05 | 16 | |||
| 148 | 29462653 | S | 1993-01-14 | 5 | |||
| 344 | 29462653 | S | 1994-01-21 | 26 | |||
| 524 | 29462653 | S | 1995-01-26 | 47 | |||
| 735 | 29462653 | S | 1996-01-25 | 1 | |||
| 2359 | 29462653 | S | 1998-02-03 | 32 | |||
| 3748 | 29462653 | S | 2001-02-09 | 13 | |||
| 4465 | 29462653 | S | 2002-02-14 | 5 | |||
| 4713 | 29462653 | W | 2002-07-27 | 4 | |||
| 5040 | 29462653 | S | 2003-01-29 | 52 | |||
| 5352 | 29462653 | W | 2003-08-16 | 24 | |||
| 5599 | 29462653 | S | 2004-02-20 | 25 | |||
| 6319 | 29462653 | S | 2005-02-04 | 1 | |||
| 94010 | 29462653 | O | 2006-02-15 | 2 | |||
| 8810 | 29462653 | S | 2007-02-12 | 35 | |||
| 500199 | 29462653 | S | 2008-02-07 | 93 | |||
| 503865 | 29462653 | S | 2010-02-11 | 102 | |||
| 502278 | 29462653 | S | 2011-02-17 | 59 | |||
| 503918 | 29462653 | W | 2011-08-11 | 38 | |||
| 503730 | 29462653 | S | 2013-02-14 | 209 |