| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 353 | 32501812 | S | 1994-01-16 | 19 | |||
| 2151 | 32501812 | S | 1994-01-16 | 57 | |||
| 2141 | 32501812 | W | 1994-08-07 | 55 | |||
| 2165 | 32501812 | S | 1995-01-15 | 68 | |||
| 783 | 32501812 | S | 1996-01-21 | 112 | |||
| 924 | 32501812 | W | 1996-07-28 | 12 | |||
| 2207 | 32501812 | S | 1997-01-26 | 1400 | |||
| 2220 | 32501812 | S | 1998-02-08 | 6 | |||
| 2787 | 32501812 | W | 1998-07-26 | 46 | |||
| 2831 | 32501812 | S | 1999-01-17 | 141 | |||
| 2871 | 32501812 | W | 1999-07-11 | 4 | |||
| 3179 | 32501812 | S | 2000-01-23 | 20 | |||
| 3421 | 32501812 | W | 2000-07-16 | 65 | |||
| 3847 | 32501812 | S | 2001-01-21 | 104 | |||
| 3917 | 32501812 | W | 2001-08-05 | 21 | |||
| 4240 | 32501812 | S | 2002-01-27 | 635 | |||
| 4748 | 32501812 | S | 2003-02-02 | 107 | |||
| 5151 | 32501812 | W | 2003-07-27 | 19 | |||
| 5441 | 32501812 | S | 2004-02-01 | 59 | |||
| 6145 | 32501812 | W | 2004-08-01 | 1 | |||
| 1758 | 32501812 | S | 2005-02-20 | 8 | |||
| 6696 | 32501812 | W | 2005-07-31 | 5 | |||
| 1846 | 32501812 | O | 2005-09-18 | 53 | |||
| 1858 | 32501812 | O | 2005-10-16 | 174 | |||
| 1871 | 32501812 | O | 2005-11-13 | 73 | |||
| 6927 | 32501812 | S | 2006-02-26 | 273 | |||
| 8299 | 32501812 | W | 2006-07-23 | 28 | |||
| 8885 | 32501812 | S | 2007-01-28 | 629 | |||
| 9324 | 32501812 | W | 2007-07-29 | 4 | |||
| 500311 | 32501812 | W | 2008-07-19 | 11 | |||
| 500743 | 32501812 | S | 2009-02-22 | 2 | |||
| 501083 | 32501812 | W | 2009-08-02 | 19 | |||
| 504709 | 32501812 | S | 2010-03-14 | 99 | |||
| 504720 | 32501812 | S | 2011-01-30 | 26 | |||
| 504716 | 32501812 | S | 2012-03-04 | 48 | |||
| 502597 | 32501812 | S | 2013-01-27 | 28 | |||
| 503790 | 32501812 | S | 2014-02-16 | 36 | |||
| 504258 | 32501812 | W | 2014-06-29 | 4 | |||
| 504697 | 32501812 | S | 2015-02-01 | 63 | |||
| 505009 | 32501812 | W | 2015-07-12 | 31 | |||
| 505486 | 32501812 | S | 2016-02-07 | 18 | |||
| 505519 | 32501812 | S | 2016-02-07 | 18 | |||
| 505804 | 32501812 | W | 2016-07-24 | 3 | |||
| 506203 | 32501812 | S | 2017-01-22 | 109 | |||
| 506839 | 32501812 | S | 2018-01-28 | 19 | |||
| 507594 | 32501812 | S | 2019-02-03 | 46 | |||
| 507785 | 32501812 | W | 2019-07-14 | 3 | |||
| 508284 | 32501812 | S | 2020-02-09 | 50 | |||
| 508663 | 32501812 | W | 2020-07-26 | 27 | |||
| 508975 | 32501812 | S | 2021-02-07 | 2 | |||
| 509084 | 32501812 | W | 2021-07-18 | 9 | |||
| 509415 | 32501812 | S | 2022-02-06 | 105 | |||
| 509659 | 32501812 | W | 2022-07-17 | 42 | |||
| 509946 | 32501812 | S | 2023-02-12 | 438 | |||
| 510118 | 32501812 | W | 2023-07-15 | 38 | |||
| 510547 | 32501812 | S | 2024-02-04 | 788 | |||
| 510854 | 32501812 | W | 2024-07-28 | 28 | |||
| 511232 | 32501812 | S | 2025-02-02 | 365 | |||
| 511562 | 32501812 | W | 2025-07-27 | 1 |