Rank	Countries/Territories	Count	Percent
1	United States	324	33%
2	China	290	29.5%
3	Germany	94	9.6%
4		53	5.4%
5	Japan	21	2.1%
6	India	19	1.9%
7	France	19	1.9%
8	Spain	18	1.8%
9	Iran, Islamic Republic of	16	1.6%
10	United Kingdom	11	1.1%
11	Colombia	10	1%
12	Canada	8	0.8%
13	Singapore	8	0.8%
14	Taiwan	7	0.7%
15	Netherlands	7	0.7%
16	Korea, Republic of	7	0.7%
17	Australia	7	0.7%
18	Denmark	7	0.7%
19	Ireland	6	0.6%
20	Norway	6	0.6%
21	Chile	4	0.4%
22	Cyprus	3	0.3%
23	Brazil	3	0.3%
24	Hong Kong	3	0.3%
25	Romania	3	0.3%
26	Turkey	3	0.3%
27	Saudi Arabia	3	0.3%
28	Russia	2	0.2%
29	Slovenia	2	0.2%
30	New Zealand	2	0.2%
31	Hungary	2	0.2%
32	Egypt	2	0.2%
33	Bangladesh	2	0.2%
34	Belgium	2	0.2%
35	Argentina	2	0.2%
36	Finland	1	0.1%
37	Indonesia	1	0.1%
38	Lithuania	1	0.1%
39	Malaysia	1	0.1%
40	Mongolia	1	0.1%
41	Ukraine	1	0.1%