| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 26 | 26112818 | S | 1992-01-24 | 44 | |||
| 257 | 26112818 | W | 1992-06-20 | 16 | |||
| 254 | 26112818 | W | 1993-07-11 | 36 | |||
| 316 | 26112818 | S | 1994-01-15 | 62 | |||
| 2417 | 26112818 | S | 1996-12-12 | 19 | |||
| 2373 | 26112818 | S | 1998-01-10 | 120 | |||
| 3227 | 26112818 | S | 2000-01-29 | 363 | |||
| 3768 | 26112818 | S | 2001-03-04 | 150 | |||
| 4371 | 26112818 | S | 2002-02-27 | 349 | |||
| 5001 | 26112818 | S | 2003-02-01 | 218 | |||
| 5690 | 26112818 | S | 2004-01-11 | 397 | |||
| 6177 | 26112818 | S | 2005-01-29 | 3 | |||
| 94178 | 26112818 | S | 2007-02-20 | 28 | |||
| 9424 | 26112818 | S | 2008-02-26 | 199 | |||
| 500861 | 26112818 | S | 2009-02-15 | 140 | |||
| 508448 | 26112818 | S | 2010-02-12 | 137 | |||
| 508447 | 26112818 | S | 2011-02-10 | 62 | |||
| 504778 | 26112818 | S | 2015-02-21 | 70 | |||
| 505388 | 26112818 | S | 2016-01-23 | 221 | |||
| 506180 | 26112818 | S | 2017-01-21 | 23 | |||
| 506803 | 26112818 | S | 2018-01-20 | 5 | |||
| 507195 | 26112818 | W | 2018-08-04 | 2 | |||
| 507563 | 26112818 | S | 2019-01-19 | 9 | |||
| 508150 | 26112818 | S | 2020-01-19 | 11 | |||
| 508882 | 26112818 | S | 2021-01-23 | 267 | |||
| 509360 | 26112818 | S | 2022-01-22 | 46 | |||
| 509884 | 26112818 | S | 2023-01-26 | 57 | |||
| 510443 | 26112818 | S | 2024-01-20 | 147 |