Rank	Countries/Territories	Count	Percent
1	United States	253	31.4%
2	China	112	13.9%
3	Germany	87	10.8%
4	India	46	5.7%
5	Korea, Republic of	36	4.5%
6	Russia	24	3%
7	Sweden	23	2.9%
8	France	22	2.7%
9	Netherlands	21	2.6%
10	Denmark	19	2.4%
11	Hong Kong	16	2%
12	Japan	16	2%
13	Brazil	15	1.9%
14	Canada	15	1.9%
15	Spain	11	1.4%
16	United Kingdom	10	1.2%
17	Norway	7	0.9%
18	Singapore	6	0.7%
19	Mexico	5	0.6%
20	Portugal	5	0.6%
21	Greece	5	0.6%
22	Iraq	4	0.5%
23	Ireland	4	0.5%
24	Bulgaria	3	0.4%
25	Austria	3	0.4%
26	Switzerland	3	0.4%
27	Syrian Arab Republic	3	0.4%
28	Thailand	3	0.4%
29	Turkey	3	0.4%
30	Taiwan	2	0.2%
31	Serbia	2	0.2%
32	Algeria	2	0.2%
33	Australia	2	0.2%
34	Belgium	2	0.2%
35	Ethiopia	2	0.2%
36	Cyprus	2	0.2%
37	Malaysia	2	0.2%
38	Palestine, State of	2	0.2%
39	Peru	1	0.1%
40	Romania	1	0.1%
41	Indonesia	1	0.1%
42	Israel	1	0.1%
43	Italy	1	0.1%
44	Bangladesh	1	0.1%
45	Ukraine	1	0.1%