Rank	Countries/Territories	Count	Percent
1	United States	312	46.6%
2	China	129	19.3%
3	Germany	48	7.2%
4	Japan	20	3%
5	India	18	2.7%
6	Taiwan	14	2.1%
7	Russia	14	2.1%
8	Switzerland	11	1.6%
9	Korea, Republic of	9	1.3%
10	Singapore	7	1%
11	France	7	1%
12	Ireland	6	0.9%
13	Romania	6	0.9%
14	United Kingdom	6	0.9%
15	Netherlands	5	0.7%
16	Hong Kong	5	0.7%
17	Hungary	5	0.7%
18	Greece	4	0.6%
19	Cyprus	4	0.6%
20	Oman	4	0.6%
21	Lithuania	3	0.4%
22	Italy	3	0.4%
23	Nepal	3	0.4%
24	Australia	3	0.4%
25	Canada	3	0.4%
26	Jordan	3	0.4%
27	Israel	2	0.3%
28	Belgium	2	0.3%
29	Egypt	2	0.3%
30	Mexico	2	0.3%
31	Slovakia	2	0.3%
32	Spain	2	0.3%
33	Turkey	2	0.3%
34	Sweden	1	0.1%
35	Georgia	1	0.1%
36	Bangladesh	1	0.1%