Rank	Countries/Territories	Count	Percent
1	United States	415	38.6%
2	China	356	33.1%
3	Germany	99	9.2%
4	France	37	3.4%
5	Japan	31	2.9%
6	Netherlands	28	2.6%
7	Canada	19	1.8%
8	Singapore	13	1.2%
9	Korea, Republic of	12	1.1%
10	India	10	0.9%
11	Cyprus	7	0.7%
12	Iran, Islamic Republic of	6	0.6%
13	Taiwan	5	0.5%
14	United Kingdom	4	0.4%
15	Romania	3	0.3%
16	Bulgaria	3	0.3%
17	Australia	2	0.2%
18	Belgium	2	0.2%
19	Brazil	2	0.2%
20	Egypt	2	0.2%
21	Malaysia	2	0.2%
22	Mexico	2	0.2%
23	Russia	2	0.2%
24	Hong Kong	2	0.2%
25	Hungary	2	0.2%
26	Ukraine	2	0.2%
27	Poland	1	0.1%
28	South Africa	1	0.1%
29	Spain	1	0.1%
30	Mongolia	1	0.1%
31	Ireland	1	0.1%
32	Israel	1	0.1%
33	Argentina	1	0.1%