Rank	Countries/Territories	Count	Percent
1	United States	433	44.1%
2	China	234	23.8%
3	Germany	115	11.7%
4	Korea, Republic of	23	2.3%
5	Iran, Islamic Republic of	21	2.1%
6	United Kingdom	17	1.7%
7	Russia	14	1.4%
8	Japan	13	1.3%
9	Netherlands	11	1.1%
10	Romania	10	1%
11	Australia	8	0.8%
12	Cyprus	7	0.7%
13	Ireland	7	0.7%
14	India	7	0.7%
15	France	6	0.6%
16	Canada	6	0.6%
17	Turkey	6	0.6%
18	Singapore	6	0.6%
19	Taiwan	4	0.4%
20	Italy	4	0.4%
21	Malaysia	4	0.4%
22	Hong Kong	4	0.4%
23	Finland	2	0.2%
24	Israel	2	0.2%
25	Belgium	2	0.2%
26	Bosnia and Herzegovina	2	0.2%
27	Czech Republic	2	0.2%
28	Mongolia	2	0.2%
29	Philippines	2	0.2%
30	Portugal	1	0.1%
31	Norway	1	0.1%
32	Pakistan	1	0.1%
33	Sweden	1	0.1%
34	Switzerland	1	0.1%
35	Denmark	1	0.1%
36	Argentina	1	0.1%
37	Georgia	1	0.1%