Rank	Countries/Territories	Count	Percent
1	United States	645	37.2%
2	China	446	25.7%
3	Germany	154	8.9%
4	Japan	106	6.1%
5	Netherlands	41	2.4%
6	France	38	2.2%
7	Iran, Islamic Republic of	32	1.8%
8	Russia	29	1.7%
9	India	29	1.7%
10	Korea, Republic of	26	1.5%
11	Canada	23	1.3%
12	United Kingdom	21	1.2%
13	Switzerland	14	0.8%
14	Hong Kong	12	0.7%
15	Cyprus	12	0.7%
16	Austria	12	0.7%
17	Spain	9	0.5%
18	Sweden	9	0.5%
19	Singapore	8	0.5%
20	Italy	6	0.3%
21	Australia	6	0.3%
22	Georgia	5	0.3%
23	Mexico	5	0.3%
24	Ireland	5	0.3%
25	Pakistan	5	0.3%
26	Turkey	4	0.2%
27	Israel	4	0.2%
28	Chile	3	0.2%
29	Argentina	3	0.2%
30	Bangladesh	3	0.2%
31	Brazil	2	0.1%
32	Czech Republic	2	0.1%
33	Egypt	2	0.1%
34	Iraq	2	0.1%
35	Malaysia	2	0.1%
36	Norway	2	0.1%
37	Slovakia	2	0.1%
38	Mongolia	1	0.1%
39	New Zealand	1	0.1%
40	Kazakhstan	1	0.1%
41	Kenya	1	0.1%
42	Denmark	1	0.1%