| Ref | Site code | Season | Date | Count | IBA | Subregional IBA | RAMSAR |
|---|---|---|---|---|---|---|---|
| 6 | 28182712 | S | 1992-02-04 | 119 | |||
| 62 | 28182712 | W | 1992-08-05 | 25 | |||
| 152 | 28182712 | S | 1993-01-15 | 228 | 210 | ||
| 231 | 28182712 | W | 1993-07-17 | 9 | |||
| 340 | 28182712 | S | 1994-01-13 | 332 | 210 | ||
| 521 | 28182712 | S | 1995-01-18 | 55 | |||
| 640 | 28182712 | W | 1995-07-13 | 35 | |||
| 728 | 28182712 | S | 1996-01-29 | 177 | |||
| 875 | 28182712 | W | 1996-07-18 | 7 | |||
| 1042 | 28182712 | S | 1997-02-07 | 80 | |||
| 2101 | 28182712 | W | 1997-07-23 | 4 | |||
| 2353 | 28182712 | S | 1998-02-04 | 315 | 210 | ||
| 2544 | 28182712 | W | 1998-07-17 | 100 | |||
| 2796 | 28182712 | S | 1999-02-08 | 23 | |||
| 3093 | 28182712 | W | 1999-07-23 | 6 | |||
| 3293 | 28182712 | S | 2000-02-02 | 73 | |||
| 3551 | 28182712 | W | 2000-07-20 | 6 | |||
| 3758 | 28182712 | S | 2001-02-08 | 273 | 210 | ||
| 3988 | 28182712 | W | 2001-07-13 | 61 | |||
| 4452 | 28182712 | S | 2002-02-14 | 150 | |||
| 5046 | 28182712 | S | 2003-02-21 | 34 | |||
| 5329 | 28182712 | W | 2003-07-16 | 8 | |||
| 5594 | 28182712 | S | 2004-02-02 | 15 | |||
| 6126 | 28182712 | W | 2004-07-23 | 39 | |||
| 6316 | 28182712 | S | 2005-02-25 | 29 | |||
| 1974 | 28182712 | W | 2005-07-18 | 28 | |||
| 94003 | 28182712 | O | 2006-02-10 | 56 | |||
| 8318 | 28182712 | W | 2006-08-15 | 4 | |||
| 8802 | 28182712 | S | 2007-02-20 | 55 | |||
| 9195 | 28182712 | W | 2007-08-08 | 42 | |||
| 500189 | 28182712 | S | 2008-02-11 | 53 | |||
| 501156 | 28182712 | W | 2008-08-13 | 11 | |||
| 501278 | 28182712 | S | 2009-02-13 | 140 | |||
| 501307 | 28182712 | W | 2009-08-17 | 3 | |||
| 503849 | 28182712 | S | 2010-02-03 | 22 | |||
| 503848 | 28182712 | S | 2010-02-15 | 9 | |||
| 502218 | 28182712 | W | 2010-07-28 | 7 | |||
| 503900 | 28182712 | W | 2011-08-24 | 5 | |||
| 503901 | 28182712 | S | 2012-02-22 | 17 | |||
| 504030 | 28182712 | W | 2012-08-21 | 12 | |||
| 503172 | 28182712 | S | 2013-03-05 | 15 | |||
| 503838 | 28182712 | W | 2013-08-20 | 21 | |||
| 503978 | 28182712 | S | 2014-03-14 | 43 | |||
| 505310 | 28182712 | W | 2014-08-13 | 3 | |||
| 505311 | 28182712 | S | 2015-01-27 | 611 | 420 | 210 | 500 |