32,019 domains and websites monitored as follows: 30,018 .com , 1,780 .net and 221 .us

18,507 domains and websites monitored as follows: 16,687 .com , 1,466 .net and 354 .us

19,787 domains and websites monitored as follows: 16,725 .com , 2,764 .net and 298 .us

31,330 domains and websites monitored as follows: 28,420 .com , 2,420 .net and 490 .us