Rank	Countries/Territories	Count	Percent
1	United States	262	38.1%
2	China	214	31.1%
3	Germany	61	8.9%
4	Korea, Republic of	14	2%
5	Japan	13	1.9%
6	Singapore	12	1.7%
7	Iran, Islamic Republic of	12	1.7%
8	Egypt	11	1.6%
9	France	10	1.5%
10	India	9	1.3%
11	Russia	9	1.3%
12	Netherlands	9	1.3%
13	Canada	8	1.2%
14	Cyprus	6	0.9%
15	Switzerland	6	0.9%
16	United Kingdom	3	0.4%
17	Palestine, State of	3	0.4%
18	Malaysia	2	0.3%
19	Viet Nam	2	0.3%
20	Thailand	2	0.3%
21	Spain	2	0.3%
22	Finland	2	0.3%
23	Austria	2	0.3%
24	Brazil	2	0.3%
25	Ireland	2	0.3%
26	Israel	2	0.3%
27	Hong Kong	2	0.3%
28	Hungary	1	0.1%
29	Greece	1	0.1%
30	Australia	1	0.1%
31	Sweden	1	0.1%
32	Norway	1	0.1%
33	Saudi Arabia	1	0.1%