Rank	Countries/Territories	Count	Percent
1	United States	328	32%
2	China	283	27.6%
3	Germany	169	16.5%
4	Korea, Republic of	50	4.9%
5	Japan	40	3.9%
6	India	31	3%
7	France	28	2.7%
8	Belgium	8	0.8%
9	Singapore	8	0.8%
10	Ireland	7	0.7%
11	Netherlands	6	0.6%
12	Australia	6	0.6%
13	Cyprus	6	0.6%
14	Ukraine	5	0.5%
15	Hong Kong	4	0.4%
16	Latvia	4	0.4%
17	Spain	3	0.3%
18	Sweden	3	0.3%
19	Viet Nam	3	0.3%
20	Argentina	3	0.3%
21	Finland	3	0.3%
22	Brazil	3	0.3%
23	Bulgaria	3	0.3%
24	Canada	2	0.2%
25	Bangladesh	2	0.2%
26	Egypt	2	0.2%
27	Greece	2	0.2%
28	Thailand	2	0.2%
29	Switzerland	2	0.2%
30	Mongolia	2	0.2%
31	Russia	2	0.2%
32	Iraq	2	0.2%
33	Iran, Islamic Republic of	1	0.1%
34	Taiwan	1	0.1%
35	Colombia	1	0.1%