Rank	Countries/Territories	Count	Percent
1	United States	312	32.6%
2	China	267	27.9%
3	Germany	55	5.8%
4	Korea, Republic of	46	4.8%
5	India	43	4.5%
6	Japan	38	4%
7	Singapore	31	3.2%
8	Sweden	19	2%
9	Russia	17	1.8%
10	Hong Kong	12	1.3%
11	France	10	1%
12	Brazil	10	1%
13		9	0.9%
14	Netherlands	9	0.9%
15	Taiwan	9	0.9%
16	Turkey	9	0.9%
17	United Kingdom	9	0.9%
18	Italy	9	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%