| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 17 | 26583250 | S | 1992-02-25 | 23 | |||
| 61 | 26583250 | W | 1992-07-13 | 19 | |||
| 124 | 26583250 | S | 1993-01-24 | 34 | |||
| 204 | 26583250 | W | 1993-07-17 | 17 | |||
| 407 | 26583250 | W | 1994-07-16 | 18 | |||
| 536 | 26583250 | S | 1995-01-21 | 98 | |||
| 614 | 26583250 | W | 1995-07-15 | 105 | |||
| 726 | 26583250 | S | 1996-01-16 | 56 | |||
| 919 | 26583250 | W | 1996-07-15 | 3 | |||
| 1006 | 26583250 | S | 1997-01-26 | 38 | |||
| 2036 | 26583250 | W | 1997-07-26 | 5 | |||
| 2325 | 26583250 | S | 1998-01-26 | 63 | |||
| 3103 | 26583250 | W | 1999-07-24 | 23 | |||
| 3244 | 26583250 | S | 2000-01-31 | 63 | |||
| 3360 | 26583250 | W | 2000-07-30 | 6 | |||
| 3644 | 26583250 | S | 2001-01-28 | 81 | |||
| 4082 | 26583250 | W | 2001-07-13 | 13 | |||
| 4297 | 26583250 | S | 2002-01-30 | 124 | |||
| 4632 | 26583250 | W | 2002-07-31 | 87 | |||
| 4843 | 26583250 | S | 2003-01-21 | 85 | |||
| 5205 | 26583250 | W | 2003-07-31 | 2 | |||
| 5553 | 26583250 | S | 2004-01-28 | 58 | |||
| 5941 | 26583250 | W | 2004-07-28 | 89 | |||
| 6381 | 26583250 | S | 2005-02-05 | 145 | 130 | ||
| 6693 | 26583250 | W | 2005-07-12 | 26 | |||
| 6962 | 26583250 | S | 2006-01-21 | 106 | |||
| 8187 | 26583250 | W | 2006-07-16 | 19 | |||
| 8617 | 26583250 | S | 2007-01-16 | 23 | |||
| 9032 | 26583250 | W | 2007-07-10 | 22 | |||
| 500032 | 26583250 | S | 2008-01-20 | 78 | |||
| 500373 | 26583250 | W | 2008-07-18 | 22 | |||
| 500839 | 26583250 | S | 2009-01-30 | 54 | |||
| 501348 | 26583250 | W | 2009-07-14 | 35 | |||
| 502116 | 26583250 | S | 2010-01-27 | 49 | |||
| 502117 | 26583250 | W | 2010-07-28 | 30 | |||
| 503205 | 26583250 | S | 2011-01-24 | 39 | |||
| 503200 | 26583250 | W | 2011-07-14 | 12 | |||
| 503201 | 26583250 | W | 2012-01-18 | 65 | |||
| 502518 | 26583250 | W | 2012-07-06 | 16 | |||
| 503204 | 26583250 | O | 2012-07-14 | 12 | |||
| 502630 | 26583250 | S | 2013-02-10 | 77 | |||
| 503203 | 26583250 | W | 2013-07-31 | 28 | |||
| 505042 | 26583250 | S | 2014-02-09 | 85 | |||
| 505239 | 26583250 | W | 2014-08-27 | 33 | |||
| 511005 | 26583250 | S | 2015-02-05 | 126 | |||
| 511007 | 26583250 | W | 2015-07-29 | 83 | |||
| 506298 | 26583250 | S | 2016-02-03 | 225 | 130 | ||
| 506352 | 26583250 | W | 2016-07-19 | 146 | 130 | ||
| 506449 | 26583250 | S | 2017-02-06 | 187 | 130 | ||
| 506740 | 26583250 | W | 2017-07-10 | 21 | |||
| 507239 | 26583250 | O | 2018-08-21 | 96 | |||
| 508361 | 26583250 | S | 2019-02-13 | 210 | 130 | ||
| 508362 | 26583250 | O | 2019-08-21 | 197 | 130 | ||
| 508376 | 26583250 | S | 2020-02-26 | 47 | |||
| 510985 | 26583250 | O | 2024-08-20 | 79 | |||
| 511324 | 26583250 | S | 2025-02-25 | 44 |