| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 2309 | 34082450 | S | 1998-02-11 | 145 | |||
| 2738 | 34082450 | S | 1999-02-24 | 27 | |||
| 3224 | 34082450 | S | 2000-02-04 | 220 | |||
| 3862 | 34082450 | S | 2001-02-20 | 137 | |||
| 4425 | 34082450 | S | 2002-01-28 | 135 | |||
| 5018 | 34082450 | S | 2003-02-10 | 136 | |||
| 5573 | 34082450 | S | 2004-02-19 | 119 | |||
| 6474 | 34082450 | S | 2005-01-25 | 186 | |||
| 6886 | 34082450 | S | 2006-02-10 | 47 | |||
| 8662 | 34082450 | S | 2007-02-01 | 480 | |||
| 9348 | 34082450 | S | 2008-01-22 | 187 | |||
| 500574 | 34082450 | W | 2008-07-24 | 13 | |||
| 500942 | 34082450 | S | 2009-01-20 | 155 | |||
| 501975 | 34082450 | S | 2010-01-27 | 66 | |||
| 508531 | 34082450 | S | 2011-01-21 | 165 | |||
| 502482 | 34082450 | S | 2012-01-25 | 81 | |||
| 502953 | 34082450 | S | 2013-01-29 | 168 | |||
| 508550 | 34082450 | S | 2014-02-24 | 24 | |||
| 508517 | 34082450 | S | 2015-02-02 | 75 | |||
| 508560 | 34082450 | S | 2016-02-03 | 45 | |||
| 508567 | 34082450 | S | 2017-01-27 | 20 | |||
| 506858 | 34082450 | S | 2018-02-05 | 6 | |||
| 507667 | 34082450 | S | 2019-01-25 | 59 | |||
| 508300 | 34082450 | S | 2020-02-01 | 15 | |||
| 508420 | 34082450 | S | 2020-02-01 | 12 | |||
| 509490 | 34082450 | S | 2022-02-22 | 3 | |||
| 509972 | 34082450 | S | 2023-02-12 | 35 |