| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 152 | 28182712 | S | 1993-01-15 | 128 | |||
| 340 | 28182712 | S | 1994-01-13 | 6 | |||
| 521 | 28182712 | S | 1995-01-18 | 90 | |||
| 728 | 28182712 | S | 1996-01-29 | 86 | |||
| 2353 | 28182712 | S | 1998-02-04 | 16 | |||
| 2796 | 28182712 | S | 1999-02-08 | 209 | |||
| 3293 | 28182712 | S | 2000-02-02 | 925 | |||
| 3551 | 28182712 | W | 2000-07-20 | 1 | |||
| 3758 | 28182712 | S | 2001-02-08 | 107 | |||
| 4452 | 28182712 | S | 2002-02-14 | 376 | |||
| 6316 | 28182712 | S | 2005-02-25 | 40 | |||
| 94003 | 28182712 | O | 2006-02-10 | 105 | |||
| 8318 | 28182712 | W | 2006-08-15 | 10 | |||
| 8802 | 28182712 | S | 2007-02-20 | 25 | |||
| 500189 | 28182712 | S | 2008-02-11 | 85 | |||
| 501278 | 28182712 | S | 2009-02-13 | 345 | |||
| 501307 | 28182712 | W | 2009-08-17 | 1 | |||
| 503849 | 28182712 | S | 2010-02-03 | 21 | |||
| 503848 | 28182712 | S | 2010-02-15 | 5 | |||
| 503901 | 28182712 | S | 2012-02-22 | 18 | |||
| 504030 | 28182712 | W | 2012-08-21 | 6 | |||
| 503172 | 28182712 | S | 2013-03-05 | 14 | |||
| 503838 | 28182712 | W | 2013-08-20 | 1 | |||
| 503978 | 28182712 | S | 2014-03-14 | 96 | |||
| 505311 | 28182712 | S | 2015-01-27 | 81 |