Rank	Countries/Territories	Count	Percent
1	United States	450	34.4%
2	China	421	32.2%
3	Germany	120	9.2%
4	France	37	2.8%
5	Japan	33	2.5%
6	Switzerland	25	1.9%
7	Canada	18	1.4%
8	Netherlands	16	1.2%
9	United Kingdom	16	1.2%
10	Russia	15	1.1%
11	India	14	1.1%
12	Iran, Islamic Republic of	11	0.8%
13	Korea, Republic of	10	0.8%
14	Spain	10	0.8%
15	Italy	10	0.8%
16	Taiwan	10	0.8%
17	Singapore	9	0.7%
18	Cyprus	9	0.7%
19	Australia	9	0.7%
20	Thailand	8	0.6%
21	Finland	6	0.5%
22	Hong Kong	6	0.5%
23	Ireland	5	0.4%
24	Greece	4	0.3%
25	Brazil	3	0.2%
26	Portugal	3	0.2%
27	Romania	3	0.2%
28	Ukraine	3	0.2%
29	Turkey	2	0.2%
30	Poland	2	0.2%
31	Slovakia	2	0.2%
32	Israel	2	0.2%
33	Malaysia	2	0.2%
34	Mexico	2	0.2%
35	Norway	1	0.1%
36	Philippines	1	0.1%
37	Jordan	1	0.1%
38	Sweden	1	0.1%
39	Argentina	1	0.1%
40	Belgium	1	0.1%
41	Czech Republic	1	0.1%
42	Georgia	1	0.1%
43	Hungary	1	0.1%
44	Indonesia	1	0.1%
45	Tunisia	1	0.1%
46	Syrian Arab Republic	1	0.1%