This is the answer to your question.

16th Airdrop has been distributed to 586 participants! Congratulations! 550 000 PRiV distributed!
Next airdrop will be on 29th of September @ 16:00 UTC, cut off for NEW registrations & mandatory tasks is on 28st of September @ 16:00 UTC

Held more than 90% of airdropped balance
100000-249999    2584.482365
50000-99999    1846.058832
25000-49999    1292.241183
10000-24999    1107.635299
5000-9999    812.2658862
3000-4999    664.5811796
1000-2999    516.896473
100-999    369.2117664
0-99    295.3694132
Held less than 90% of airdropped balance
5000+    369.2117664
3000-4999    295.3694132
1000-2999    22.15270599
100-999    14.76847066
0-99    7.384235329

This is the official stat for last round.