Rank	Countries/Territories	Count	Percent
1	United States	300	32.5%
2	China	220	23.8%
3	Germany	123	13.3%
4	India	25	2.7%
5	France	23	2.5%
6	Japan	21	2.3%
7	Korea, Republic of	18	1.9%
8	Netherlands	18	1.9%
9	Norway	14	1.5%
10	Turkey	13	1.4%
11	Iran, Islamic Republic of	11	1.2%
12	Hong Kong	11	1.2%
13	Belgium	11	1.2%
14	Singapore	10	1.1%
15	United Kingdom	10	1.1%
16	Ukraine	9	1%
17	Denmark	9	1%
18	Spain	7	0.8%
19	Italy	7	0.8%
20	Taiwan	6	0.6%
21	Viet Nam	6	0.6%
22	Mexico	5	0.5%
23	Australia	5	0.5%
24	Canada	5	0.5%
25	Egypt	4	0.4%
26	Saudi Arabia	4	0.4%
27	Ireland	4	0.4%
28	Indonesia	3	0.3%
29	Czech Republic	3	0.3%
30	Colombia	3	0.3%
31	Brazil	2	0.2%
32	Greece	2	0.2%
33	Pakistan	2	0.2%
34	Palestine, State of	2	0.2%
35	Peru	1	0.1%
36	Portugal	1	0.1%
37	Russia	1	0.1%
38	Syrian Arab Republic	1	0.1%
39	Dominican Republic	1	0.1%
40	Georgia	1	0.1%
41	Albania	1	0.1%
42	Cyprus	1	0.1%