Rank	Countries/Territories	Count	Percent
1	United States	366	41.6%
2	China	177	20.1%
3	Japan	92	10.5%
4	Germany	50	5.7%
5	Pakistan	41	4.7%
6	India	38	4.3%
7	Russia	25	2.8%
8	Korea, Republic of	24	2.7%
9	Singapore	8	0.9%
10	Hong Kong	8	0.9%
11	Canada	5	0.6%
12	Australia	5	0.6%
13	Mexico	4	0.5%
14	Austria	3	0.3%
15	France	3	0.3%
16	Chile	2	0.2%
17	Czech Republic	2	0.2%
18	Moldova, Republic of	2	0.2%
19	Poland	2	0.2%
20	Italy	2	0.2%
21	Taiwan	2	0.2%
22	Turkey	2	0.2%
23	United Kingdom	2	0.2%
24	Norway	2	0.2%
25	Thailand	1	0.1%
26	Sweden	1	0.1%
27	Switzerland	1	0.1%
28	Afghanistan	1	0.1%
29	Mongolia	1	0.1%
30	Nepal	1	0.1%
31	Netherlands	1	0.1%
32	Denmark	1	0.1%
33	Finland	1	0.1%
34	Belgium	1	0.1%
35	Brazil	1	0.1%
36	Georgia	1	0.1%
37	Indonesia	1	0.1%