Rank	Countries/Territories	Count	Percent
1	United States	387	43.1%
2	China	212	23.6%
3	Germany	113	12.6%
4	Korea, Republic of	22	2.5%
5	Iran, Islamic Republic of	21	2.3%
6	United Kingdom	15	1.7%
7	Russia	13	1.4%
8	Japan	13	1.4%
9	Romania	10	1.1%
10	Netherlands	9	1%
11	Ireland	7	0.8%
12	Cyprus	7	0.8%
13	France	6	0.7%
14	Australia	6	0.7%
15	Canada	6	0.7%
16	India	6	0.7%
17	Turkey	6	0.7%
18	Singapore	5	0.6%
19	Taiwan	4	0.4%
20	Italy	4	0.4%
21	Hong Kong	3	0.3%
22	Finland	2	0.2%
23	Israel	2	0.2%
24	Belgium	2	0.2%
25	Bosnia and Herzegovina	2	0.2%
26	Philippines	2	0.2%
27	Malaysia	2	0.2%
28	Mongolia	2	0.2%
29	Norway	1	0.1%
30	Pakistan	1	0.1%
31	Sweden	1	0.1%
32	Switzerland	1	0.1%
33	Portugal	1	0.1%
34	Argentina	1	0.1%
35	Georgia	1	0.1%
36	Denmark	1	0.1%