Rank	Countries/Territories	Count	Percent
1	United States	206	37.9%
2	China	104	19.1%
3	Germany	69	12.7%
4	Korea, Republic of	18	3.3%
5	Netherlands	15	2.8%
6	Sweden	13	2.4%
7	India	13	2.4%
8	Japan	13	2.4%
9	Australia	11	2%
10	Singapore	11	2%
11	United Kingdom	8	1.5%
12	Bulgaria	7	1.3%
13	Canada	5	0.9%
14	Mauritius	5	0.9%
15	Russia	5	0.9%
16	Turkey	4	0.7%
17	France	4	0.7%
18	Hong Kong	4	0.7%
19	Bangladesh	3	0.6%
20	Cyprus	3	0.6%
21	Greece	2	0.4%
22	Iran, Islamic Republic of	2	0.4%
23	Ireland	2	0.4%
24	Italy	2	0.4%
25	Nigeria	2	0.4%
26	Peru	2	0.4%
27	Poland	2	0.4%
28	Latvia	2	0.4%
29	Lebanon	2	0.4%
30	Mauritania	2	0.4%
31	Ukraine	1	0.2%
32	Senegal	1	0.2%
33	Hungary	1	0.2%