Rank	Countries/Territories	Count	Percent
1	United States	366	33.1%
2	China	361	32.7%
3	Germany	105	9.5%
4	Japan	38	3.4%
5	Korea, Republic of	29	2.6%
6	France	29	2.6%
7	India	20	1.8%
8	Czech Republic	14	1.3%
9	Sweden	10	0.9%
10	Netherlands	9	0.8%
11	Canada	9	0.8%
12	Switzerland	8	0.7%
13	United Kingdom	8	0.7%
14	Ireland	7	0.6%
15	Taiwan	6	0.5%
16	Australia	6	0.5%
17	Hong Kong	6	0.5%
18	Singapore	6	0.5%
19	Turkey	6	0.5%
20	Cyprus	5	0.5%
21	Italy	5	0.5%
22	Iran, Islamic Republic of	4	0.4%
23	Poland	4	0.4%
24	Belgium	4	0.4%
25	Spain	4	0.4%
26	Saudi Arabia	4	0.4%
27	Ukraine	3	0.3%
28	Austria	3	0.3%
29	Colombia	3	0.3%
30	Norway	3	0.3%
31	Mongolia	2	0.2%
32	Iraq	2	0.2%
33	Portugal	2	0.2%
34	Chile	2	0.2%
35	Bangladesh	2	0.2%
36	Denmark	2	0.2%
37	Greece	2	0.2%
38	Argentina	1	0.1%
39	Brazil	1	0.1%
40	Romania	1	0.1%
41	Russia	1	0.1%
42	Thailand	1	0.1%
43	Pakistan	1	0.1%