Rank	Countries/Territories	Count	Percent
1	United States	577	44.2%
2	China	295	22.6%
3	Germany	162	12.4%
4	Japan	121	9.3%
5	India	18	1.4%
6	Korea, Republic of	15	1.1%
7	Mexico	14	1.1%
8	Netherlands	14	1.1%
9	France	13	1%
10	Singapore	11	0.8%
11	Canada	7	0.5%
12	Australia	7	0.5%
13	Austria	6	0.5%
14	United Kingdom	6	0.5%
15	Cyprus	5	0.4%
16	Hong Kong	5	0.4%
17	Argentina	4	0.3%
18	Brazil	4	0.3%
19	Italy	3	0.2%
20	Russia	2	0.2%
21	Iran, Islamic Republic of	2	0.2%
22	Switzerland	2	0.2%
23	Taiwan	2	0.2%
24	Denmark	2	0.2%
25	Bangladesh	2	0.2%
26	Belgium	2	0.2%
27	Lithuania	1	0.1%
28	Malaysia	1	0.1%
29	Norway	1	0.1%
30	Philippines	1	0.1%