Rank	Countries/Territories	Count	Percent
1	United States	261	37%
2	China	182	25.8%
3	Germany	67	9.5%
4	Estonia	22	3.1%
5	Netherlands	19	2.7%
6	Spain	15	2.1%
7	Romania	15	2.1%
8	France	14	2%
9	Australia	13	1.8%
10	Indonesia	12	1.7%
11	Kenya	9	1.3%
12	Russia	9	1.3%
13	Japan	8	1.1%
14	Thailand	7	1%
15	Switzerland	6	0.9%
16	United Kingdom	5	0.7%
17	Panama	4	0.6%
18	India	4	0.6%
19	Canada	4	0.6%
20	Brazil	3	0.4%
21	Cyprus	3	0.4%
22	Ireland	3	0.4%
23	Singapore	3	0.4%
24	South Africa	3	0.4%
25	Mexico	2	0.3%
26	Norway	2	0.3%
27	Iran, Islamic Republic of	2	0.3%
28	Ethiopia	2	0.3%
29	Egypt	2	0.3%
30	Colombia	1	0.1%
31	Chile	1	0.1%
32	Italy	1	0.1%
33	Taiwan	1	0.1%