Rank	Countries/Territories	Count	Percent
1	United States	605	41.2%
2	China	326	22.2%
3	Germany	174	11.9%
4	Japan	55	3.7%
5	Korea, Republic of	45	3.1%
6	Pakistan	36	2.5%
7	United Kingdom	34	2.3%
8	India	25	1.7%
9	Canada	14	1%
10	Singapore	13	0.9%
11	Netherlands	10	0.7%
12	France	9	0.6%
13	Israel	9	0.6%
14	Switzerland	9	0.6%
15	Indonesia	8	0.5%
16	Hong Kong	8	0.5%
17	Egypt	7	0.5%
18	Australia	7	0.5%
19	Thailand	7	0.5%
20	Ukraine	7	0.5%
21	Brazil	6	0.4%
22	Iran, Islamic Republic of	6	0.4%
23	Spain	6	0.4%
24	Argentina	5	0.3%
25	Cyprus	5	0.3%
26	Taiwan	5	0.3%
27	Russia	4	0.3%
28	Nigeria	3	0.2%
29	Mexico	3	0.2%
30	Italy	3	0.2%
31	Turkey	3	0.2%
32	Romania	2	0.1%
33	South Africa	1	0.1%
34	Saudi Arabia	1	0.1%
35	Peru	1	0.1%
36	Mongolia	1	0.1%
37	Latvia	1	0.1%
38	Malaysia	1	0.1%
39	Ethiopia	1	0.1%
40	Belgium	1	0.1%
41	Yemen	1	0.1%