Rank	Countries/Territories	Count	Percent
1	United States	550	46.1%
2	China	258	21.6%
3	Germany	98	8.2%
4	Netherlands	61	5.1%
5	Saudi Arabia	37	3.1%
6	Russia	30	2.5%
7	France	27	2.3%
8	Japan	16	1.3%
9	Brazil	14	1.2%
10	United Kingdom	11	0.9%
11	Switzerland	10	0.8%
12	Singapore	10	0.8%
13	Armenia	9	0.8%
14	Iran, Islamic Republic of	9	0.8%
15	Canada	7	0.6%
16	Sweden	7	0.6%
17	Pakistan	6	0.5%
18	Australia	6	0.5%
19	Spain	5	0.4%
20	India	4	0.3%
21	Cyprus	3	0.3%
22	Thailand	3	0.3%
23	Ukraine	2	0.2%
24	Colombia	2	0.2%
25	Korea, Republic of	2	0.2%
26	Malaysia	2	0.2%
27	Ireland	1	0.1%
28	Argentina	1	0.1%
29	Egypt	1	0.1%
30	Chile	1	0.1%
31	Romania	1	0.1%