Rank	Countries/Territories	Count	Percent
1	United States	501	36.4%
2	China	405	29.4%
3	Germany	167	12.1%
4	Japan	53	3.8%
5	Canada	38	2.8%
6	France	30	2.2%
7	Australia	23	1.7%
8	Singapore	19	1.4%
9	Spain	18	1.3%
10	Netherlands	15	1.1%
11	Korea, Republic of	14	1%
12	Lithuania	12	0.9%
13	Belgium	12	0.9%
14	Argentina	9	0.7%
15	Cyprus	8	0.6%
16	Hong Kong	6	0.4%
17	India	6	0.4%
18	Indonesia	5	0.4%
19	Iran, Islamic Republic of	4	0.3%
20	Taiwan	4	0.3%
21	Romania	3	0.2%
22	Russia	3	0.2%
23	United Kingdom	3	0.2%
24	Slovakia	2	0.1%
25	South Africa	2	0.1%
26	Tunisia	2	0.1%
27	Italy	2	0.1%
28	Mauritius	2	0.1%
29	Denmark	2	0.1%
30	Brazil	2	0.1%
31	Georgia	1	0.1%
32	Mongolia	1	0.1%
33	Latvia	1	0.1%
34	Turkey	1	0.1%
35	Thailand	1	0.1%