Rank	Countries/Territories	Count	Percent
1	United States	243	37.2%
2	China	205	31.3%
3	Germany	61	9.3%
4	Korea, Republic of	14	2.1%
5	Japan	13	2%
6	Iran, Islamic Republic of	12	1.8%
7	Egypt	11	1.7%
8	France	10	1.5%
9	India	9	1.4%
10	Russia	9	1.4%
11	Singapore	8	1.2%
12	Canada	8	1.2%
13	Netherlands	7	1.1%
14	Switzerland	6	0.9%
15	Cyprus	6	0.9%
16	United Kingdom	3	0.5%
17	Palestine, State of	3	0.5%
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	0.2%
29	Greece	1	0.2%
30	Australia	1	0.2%
31	Sweden	1	0.2%
32	Norway	1	0.2%
33	Saudi Arabia	1	0.2%