| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 17 | 26583250 | S | 1992-02-25 | 48 | |||
| 61 | 26583250 | W | 1992-07-13 | 460 | |||
| 124 | 26583250 | S | 1993-01-24 | 5 | |||
| 204 | 26583250 | W | 1993-07-17 | 43 | |||
| 407 | 26583250 | W | 1994-07-16 | 52 | |||
| 536 | 26583250 | S | 1995-01-21 | 9 | |||
| 614 | 26583250 | W | 1995-07-15 | 93 | |||
| 919 | 26583250 | W | 1996-07-15 | 8 | |||
| 1006 | 26583250 | S | 1997-01-26 | 5 | |||
| 2036 | 26583250 | W | 1997-07-26 | 58 | |||
| 2325 | 26583250 | S | 1998-01-26 | 7 | |||
| 2637 | 26583250 | W | 1998-07-17 | 83 | |||
| 3103 | 26583250 | W | 1999-07-24 | 50 | |||
| 3244 | 26583250 | S | 2000-01-31 | 1 | |||
| 3360 | 26583250 | W | 2000-07-30 | 74 | |||
| 3644 | 26583250 | S | 2001-01-28 | 13 | |||
| 4082 | 26583250 | W | 2001-07-13 | 212 | |||
| 4297 | 26583250 | S | 2002-01-30 | 21 | |||
| 4632 | 26583250 | W | 2002-07-31 | 123 | |||
| 4843 | 26583250 | S | 2003-01-21 | 63 | |||
| 5205 | 26583250 | W | 2003-07-31 | 238 | |||
| 5553 | 26583250 | S | 2004-01-28 | 120 | |||
| 5941 | 26583250 | W | 2004-07-28 | 124 | |||
| 6381 | 26583250 | S | 2005-02-05 | 56 | |||
| 6693 | 26583250 | W | 2005-07-12 | 208 | |||
| 6962 | 26583250 | S | 2006-01-21 | 29 | |||
| 8187 | 26583250 | W | 2006-07-16 | 64 | |||
| 8617 | 26583250 | S | 2007-01-16 | 48 | |||
| 9032 | 26583250 | W | 2007-07-10 | 168 | |||
| 500032 | 26583250 | S | 2008-01-20 | 25 | |||
| 500373 | 26583250 | W | 2008-07-18 | 230 | |||
| 500839 | 26583250 | S | 2009-01-30 | 123 | |||
| 501348 | 26583250 | W | 2009-07-14 | 97 | |||
| 502116 | 26583250 | S | 2010-01-27 | 145 | |||
| 502117 | 26583250 | W | 2010-07-28 | 101 | |||
| 503205 | 26583250 | S | 2011-01-24 | 58 | |||
| 503200 | 26583250 | W | 2011-07-14 | 117 | |||
| 503201 | 26583250 | W | 2012-01-18 | 25 | |||
| 502518 | 26583250 | W | 2012-07-06 | 205 | |||
| 503204 | 26583250 | O | 2012-07-14 | 117 | |||
| 502630 | 26583250 | S | 2013-02-10 | 45 | |||
| 503203 | 26583250 | W | 2013-07-31 | 145 | |||
| 505042 | 26583250 | S | 2014-02-09 | 102 | |||
| 505239 | 26583250 | W | 2014-08-27 | 203 | |||
| 511005 | 26583250 | S | 2015-02-05 | 225 | |||
| 511007 | 26583250 | W | 2015-07-29 | 45 | |||
| 506298 | 26583250 | S | 2016-02-03 | 205 | |||
| 506352 | 26583250 | W | 2016-07-19 | 158 | |||
| 506449 | 26583250 | S | 2017-02-06 | 152 | |||
| 506740 | 26583250 | W | 2017-07-10 | 49 | |||
| 507239 | 26583250 | O | 2018-08-21 | 178 | |||
| 508361 | 26583250 | S | 2019-02-13 | 179 | |||
| 508362 | 26583250 | O | 2019-08-21 | 220 | |||
| 508376 | 26583250 | S | 2020-02-26 | 6 | |||
| 510985 | 26583250 | O | 2024-08-20 | 357 |