Rank	Countries/Territories	Count	Percent
1	United States	292	40.6%
2	China	184	25.6%
3	Germany	90	12.5%
4	Iran, Islamic Republic of	19	2.6%
5	Korea, Republic of	18	2.5%
6	United Kingdom	11	1.5%
7	Romania	10	1.4%
8	Netherlands	8	1.1%
9	Japan	8	1.1%
10	Cyprus	7	1%
11	France	6	0.8%
12	Canada	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	0.6%
20	Hong Kong	3	0.4%
21	Finland	2	0.3%
22	Israel	2	0.3%
23	Bosnia and Herzegovina	2	0.3%
24	Malaysia	2	0.3%
25	Mongolia	2	0.3%
26	Taiwan	2	0.3%
27	Philippines	2	0.3%
28	Portugal	1	0.1%
29	Norway	1	0.1%
30	Pakistan	1	0.1%
31	Sweden	1	0.1%
32	Belgium	1	0.1%
33	Georgia	1	0.1%
34	Denmark	1	0.1%