Rank	Countries/Territories	Count	Percent
1	United States	256	33%
2	China	238	30.7%
3	Germany	74	9.5%
4	Korea, Republic of	27	3.5%
5	Japan	24	3.1%
6	France	17	2.2%
7	Czech Republic	14	1.8%
8	Sweden	10	1.3%
9	Netherlands	8	1%
10	India	8	1%
11	Ireland	7	0.9%
12	Taiwan	6	0.8%
13	Singapore	6	0.8%
14	Canada	6	0.8%
15	United Kingdom	6	0.8%
16	Turkey	5	0.6%
17	Hong Kong	5	0.6%
18	Italy	5	0.6%
19	Poland	4	0.5%
20	Spain	4	0.5%
21	Saudi Arabia	4	0.5%
22	Iran, Islamic Republic of	4	0.5%
23	Australia	4	0.5%
24	Belgium	4	0.5%
25	Austria	3	0.4%
26	Colombia	3	0.4%
27	Cyprus	3	0.4%
28	Chile	2	0.3%
29	Bangladesh	2	0.3%
30	Iraq	2	0.3%
31	Denmark	2	0.3%
32	Greece	2	0.3%
33	Switzerland	2	0.3%
34	Portugal	2	0.3%
35	Mongolia	2	0.3%
36	Norway	1	0.1%
37	Pakistan	1	0.1%
38	Thailand	1	0.1%
39	Brazil	1	0.1%