Rank	Countries/Territories	Count	Percent
1	United States	338	38.7%
2	China	288	33%
3	Germany	38	4.3%
4	France	33	3.8%
5	India	31	3.5%
6	Japan	22	2.5%
7	Ireland	14	1.6%
8	Netherlands	14	1.6%
9	United Kingdom	14	1.6%
10	Ukraine	10	1.1%
11	Hong Kong	9	1%
12	Canada	7	0.8%
13	Spain	7	0.8%
14	Switzerland	6	0.7%
15	Italy	5	0.6%
16	Chile	4	0.5%
17	Norway	4	0.5%
18	Sweden	3	0.3%
19	Singapore	3	0.3%
20	Cyprus	3	0.3%
21	Brazil	3	0.3%
22	Iran, Islamic Republic of	3	0.3%
23	Iraq	2	0.2%
24	Malaysia	2	0.2%
25	Cambodia	2	0.2%
26	Australia	2	0.2%
27	Romania	2	0.2%
28	Russia	1	0.1%
29	Pakistan	1	0.1%
30	Taiwan	1	0.1%
31	Argentina	1	0.1%
32	Mauritius	1	0.1%