Rank	Countries/Territories	Count	Percent
1	United States	305	40.4%
2	China	196	26%
3	Germany	90	11.9%
4	Iran, Islamic Republic of	19	2.5%
5	Korea, Republic of	18	2.4%
6	United Kingdom	15	2%
7	Japan	13	1.7%
8	Romania	10	1.3%
9	Netherlands	8	1.1%
10	Cyprus	7	0.9%
11	Canada	6	0.8%
12	France	6	0.8%
13	India	6	0.8%
14	Russia	6	0.8%
15	Turkey	6	0.8%
16	Singapore	5	0.7%
17	Ireland	5	0.7%
18	Australia	5	0.7%
19	Italy	4	0.5%
20	Hong Kong	3	0.4%
21	Israel	2	0.3%
22	Malaysia	2	0.3%
23	Mongolia	2	0.3%
24	Belgium	2	0.3%
25	Bosnia and Herzegovina	2	0.3%
26	Finland	2	0.3%
27	Philippines	2	0.3%
28	Taiwan	2	0.3%
29	Portugal	1	0.1%
30	Norway	1	0.1%
31	Pakistan	1	0.1%
32	Sweden	1	0.1%
33	Georgia	1	0.1%
34	Denmark	1	0.1%