Rank	Countries/Territories	Count	Percent
1	United States	310	38.4%
2	China	193	23.9%
3	Germany	53	6.6%
4	India	38	4.7%
5	Korea, Republic of	16	2%
6	Japan	15	1.9%
7	France	15	1.9%
8	Ukraine	14	1.7%
9	Canada	12	1.5%
10	Netherlands	12	1.5%
11	Norway	11	1.4%
12	Russia	11	1.4%
13	Taiwan	11	1.4%
14	Australia	9	1.1%
15	United Kingdom	8	1%
16	Argentina	7	0.9%
17	Cyprus	7	0.9%
18	Singapore	7	0.9%
19	Italy	5	0.6%
20	Indonesia	5	0.6%
21	Ireland	4	0.5%
22	Hong Kong	4	0.5%
23	Turkey	4	0.5%
24	Romania	4	0.5%
25	Malaysia	4	0.5%
26	Nigeria	3	0.4%
27	Saudi Arabia	3	0.4%
28	Bulgaria	3	0.4%
29	Sweden	3	0.4%
30	South Africa	2	0.2%
31	Mexico	2	0.2%
32	Mongolia	1	0.1%
33	Libya	1	0.1%
34	Portugal	1	0.1%
35	Puerto Rico	1	0.1%
36	New Zealand	1	0.1%
37	Spain	1	0.1%
38	Bahamas	1	0.1%
39	Belarus	1	0.1%
40	Egypt	1	0.1%
41	Cote D'ivoire	1	0.1%
42	Venezuela, Bolivarian Republic of	1	0.1%
43	Viet Nam	1	0.1%