Rank	Countries/Territories	Count	Percent
1	United States	301	32.5%
2	China	259	27.9%
3	Germany	55	5.9%
4	India	43	4.6%
5	Korea, Republic of	40	4.3%
6	Japan	38	4.1%
7	Singapore	31	3.3%
8	Sweden	19	2%
9	Russia	15	1.6%
10	Hong Kong	12	1.3%
11	Brazil	10	1.1%
12		9	1%
13	France	9	1%
14	Taiwan	9	1%
15	Turkey	9	1%
16	United Kingdom	9	1%
17	Italy	9	1%
18	Netherlands	8	0.9%
19	Spain	6	0.6%
20	Portugal	5	0.5%
21	Pakistan	4	0.4%
22	Palestine, State of	4	0.4%
23	Canada	4	0.4%
24	Greece	3	0.3%
25	Nigeria	2	0.2%
26	Norway	2	0.2%
27	Ireland	2	0.2%
28	Slovakia	2	0.2%
29	Thailand	2	0.2%
30	Viet Nam	2	0.2%
31	Romania	1	0.1%
32	Peru	1	0.1%
33	Indonesia	1	0.1%
34	Bulgaria	1	0.1%