| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 3874 | 23472924 | S | 2001-01-21 | 10 | |||
| 4187 | 23472924 | S | 2002-01-26 | 24 | |||
| 4591 | 23472924 | W | 2002-07-27 | 6 | |||
| 4918 | 23472924 | S | 2003-02-01 | 27 | |||
| 5707 | 23472924 | S | 2004-02-07 | 44 | |||
| 6224 | 23472924 | S | 2005-01-29 | 16 | |||
| 8086 | 23472924 | S | 2006-02-02 | 4 | |||
| 8140 | 23472924 | W | 2006-08-12 | 6 | |||
| 8797 | 23472924 | S | 2007-02-03 | 4 | |||
| 9006 | 23472924 | W | 2007-08-02 | 8 | |||
| 9427 | 23472924 | S | 2008-02-05 | 17 | |||
| 500394 | 23472924 | W | 2008-07-30 | 23 | |||
| 500834 | 23472924 | S | 2009-02-04 | 10 | |||
| 501384 | 23472924 | W | 2009-07-29 | 18 | |||
| 502963 | 23472924 | S | 2010-02-10 | 5 | |||
| 502821 | 23472924 | W | 2010-07-14 | 1 | |||
| 502825 | 23472924 | S | 2011-02-09 | 84 | |||
| 502806 | 23472924 | S | 2012-02-27 | 68 | |||
| 502803 | 23472924 | W | 2012-08-01 | 2 | |||
| 502663 | 23472924 | S | 2013-02-13 | 13 | |||
| 502957 | 23472924 | W | 2013-07-30 | 4 | |||
| 503759 | 23472924 | S | 2014-02-25 | 46 | |||
| 504319 | 23472924 | W | 2014-07-10 | 29 | |||
| 504822 | 23472924 | S | 2015-02-25 | 95 | |||
| 505561 | 23472924 | S | 2016-03-08 | 67 | |||
| 507063 | 23472924 | W | 2018-06-21 | 20 | |||
| 508499 | 23472924 | S | 2020-02-04 | 79 | |||
| 509118 | 23472924 | W | 2021-07-20 | 37 | |||
| 509985 | 23472924 | S | 2023-02-16 | 15 |