Rank	Countries/Territories	Count	Percent
1	United States	461	31.8%
2	China	415	28.6%
3	Japan	119	8.2%
4	Germany	64	4.4%
5	Netherlands	40	2.8%
6	India	38	2.6%
7	Singapore	33	2.3%
8	Taiwan	31	2.1%
9	France	28	1.9%
10	Russia	21	1.4%
11	Italy	18	1.2%
12	Canada	15	1%
13	Turkey	15	1%
14	United Kingdom	14	1%
15	Egypt	13	0.9%
16	Brazil	13	0.9%
17	Australia	11	0.8%
18	Poland	9	0.6%
19	Korea, Republic of	9	0.6%
20	Indonesia	8	0.6%
21	Hong Kong	8	0.6%
22	Philippines	7	0.5%
23	Ireland	6	0.4%
24	Pakistan	5	0.3%
25	Czech Republic	4	0.3%
26	Belgium	4	0.3%
27	Argentina	3	0.2%
28	Mexico	3	0.2%
29	Iran, Islamic Republic of	3	0.2%
30	Ukraine	3	0.2%
31	United Arab Emirates	2	0.1%
32	Thailand	2	0.1%
33	Spain	2	0.1%
34	Sri Lanka	2	0.1%
35	Sweden	2	0.1%
36	Israel	2	0.1%
37	New Zealand	2	0.1%
38	Chile	2	0.1%
39	Colombia	2	0.1%
40	Denmark	2	0.1%
41	Cyprus	2	0.1%
42	Croatia	1	0.1%
43	Austria	1	0.1%
44	Palestine, State of	1	0.1%
45	Mauritius	1	0.1%
46	Kenya	1	0.1%
47	Switzerland	1	0.1%