Rank	Countries/Territories	Count	Percent
1	United States	405	38.3%
2	China	327	30.9%
3	Germany	57	5.4%
4	Japan	26	2.5%
5	France	21	2%
6	Brazil	20	1.9%
7	Korea, Republic of	20	1.9%
8	Netherlands	19	1.8%
9	India	16	1.5%
10	Singapore	13	1.2%
11	Switzerland	13	1.2%
12	Canada	12	1.1%
13	Ireland	11	1%
14	United Kingdom	11	1%
15	Ukraine	8	0.8%
16	Italy	7	0.7%
17	Mexico	7	0.7%
18	Australia	6	0.6%
19	Russia	5	0.5%
20	Nepal	4	0.4%
21	Portugal	4	0.4%
22	Argentina	4	0.4%
23	Colombia	4	0.4%
24	Cyprus	4	0.4%
25	Thailand	4	0.4%
26	Turkey	3	0.3%
27	Egypt	3	0.3%
28	Philippines	3	0.3%
29	Pakistan	2	0.2%
30	Jordan	2	0.2%
31	Iran, Islamic Republic of	2	0.2%
32	Taiwan	2	0.2%
33	Viet Nam	2	0.2%
34	United Arab Emirates	1	0.1%
35	Greece	1	0.1%
36	Hong Kong	1	0.1%
37	Czech Republic	1	0.1%
38	Malaysia	1	0.1%
39	Moldova, Republic of	1	0.1%
40	Morocco	1	0.1%
41	Poland	1	0.1%
42	Romania	1	0.1%
43	Slovakia	1	0.1%