| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 43 | 28043227 | S | 1992-01-18 | 32 | |||
| 88 | 28043227 | W | 1992-07-04 | 15 | |||
| 143 | 28043227 | S | 1993-01-09 | 2 | |||
| 297 | 28043227 | S | 1994-01-22 | 17 | |||
| 378 | 28043227 | W | 1994-07-09 | 4 | |||
| 625 | 28043227 | W | 1995-07-15 | 1 | |||
| 747 | 28043227 | S | 1996-01-21 | 9 | |||
| 913 | 28043227 | W | 1996-07-13 | 109 | |||
| 2049 | 28043227 | W | 1997-07-12 | 27 | |||
| 2347 | 28043227 | S | 1998-01-11 | 9 | |||
| 2636 | 28043227 | W | 1998-07-12 | 9 | |||
| 2809 | 28043227 | S | 1999-01-16 | 1 | |||
| 2984 | 28043227 | W | 1999-07-25 | 11 | |||
| 3257 | 28043227 | S | 2000-01-15 | 7 | |||
| 3387 | 28043227 | W | 2000-07-22 | 78 | |||
| 3890 | 28043227 | S | 2001-01-13 | 13 | |||
| 4068 | 28043227 | W | 2001-07-14 | 5 | |||
| 4290 | 28043227 | S | 2002-01-19 | 4 | |||
| 4602 | 28043227 | W | 2002-07-13 | 5 | |||
| 94197 | 28043227 | O | 2007-05-10 | 14 | |||
| 500388 | 28043227 | W | 2008-07-14 | 2 | |||
| 501922 | 28043227 | S | 2009-07-20 | 4 | |||
| 502135 | 28043227 | W | 2010-08-04 | 4 | |||
| 503260 | 28043227 | S | 2011-01-31 | 15 | |||
| 503259 | 28043227 | W | 2011-08-29 | 12 | |||
| 503255 | 28043227 | S | 2012-02-08 | 4 | |||
| 502521 | 28043227 | W | 2012-07-31 | 9 | |||
| 503261 | 28043227 | S | 2013-01-14 | 1 | |||
| 503256 | 28043227 | W | 2013-08-19 | 4 | |||
| 505088 | 28043227 | S | 2014-02-04 | 18 | |||
| 506453 | 28043227 | W | 2014-06-13 | 42 | |||
| 506454 | 28043227 | S | 2015-02-04 | 22 | |||
| 505225 | 28043227 | O | 2015-06-09 | 34 | |||
| 506309 | 28043227 | S | 2016-02-02 | 2 | |||
| 506374 | 28043227 | S | 2017-01-20 | 40 | |||
| 507057 | 28043227 | S | 2018-02-08 | 14 | |||
| 510846 | 28043227 | O | 2020-02-14 | 145 | |||
| 510847 | 28043227 | S | 2022-02-16 | 260 | 250 | ||
| 510982 | 28043227 | O | 2024-11-01 | 776 | 500 | 250 |