Rank	Countries/Territories	Count	Percent
1	United States	361	38.6%
2	China	310	33.2%
3	Germany	55	5.9%
4	India	32	3.4%
5	Japan	31	3.3%
6	Korea, Republic of	17	1.8%
7	Denmark	17	1.8%
8	Sweden	13	1.4%
9	United Kingdom	10	1.1%
10	Netherlands	8	0.9%
11	Saudi Arabia	8	0.9%
12	Singapore	8	0.9%
13	Canada	6	0.6%
14	Australia	5	0.5%
15	Iran, Islamic Republic of	5	0.5%
16	Indonesia	4	0.4%
17	Spain	4	0.4%
18	Turkey	4	0.4%
19	Peru	3	0.3%
20	Sri Lanka	3	0.3%
21	Ireland	3	0.3%
22	Congo	3	0.3%
23	Cyprus	3	0.3%
24	Brazil	2	0.2%
25	Italy	2	0.2%
26	Hong Kong	2	0.2%
27	Mexico	2	0.2%
28	Norway	2	0.2%
29	Romania	2	0.2%
30	Russia	2	0.2%
31	Ukraine	2	0.2%
32	Taiwan	1	0.1%
33	Oman	1	0.1%
34	Mauritius	1	0.1%
35	Egypt	1	0.1%
36	Finland	1	0.1%
37	France	1	0.1%