Rank	Countries/Territories	Count	Percent
1	United States	338	42.7%
2	China	202	25.5%
3	Germany	41	5.2%
4		38	4.8%
5	India	26	3.3%
6	Singapore	24	3%
7	Pakistan	15	1.9%
8	Canada	14	1.8%
9	Korea, Republic of	10	1.3%
10	Japan	9	1.1%
11	Taiwan	8	1%
12	Hong Kong	7	0.9%
13	Russia	7	0.9%
14	United Kingdom	5	0.6%
15	Romania	4	0.5%
16	Ireland	4	0.5%
17	Brazil	4	0.5%
18	Australia	3	0.4%
19	France	3	0.4%
20	Ukraine	3	0.4%
21	Portugal	3	0.4%
22	Netherlands	3	0.4%
23	Mexico	2	0.3%
24	Saudi Arabia	2	0.3%
25	Spain	2	0.3%
26	Argentina	2	0.3%
27	Israel	2	0.3%
28	Italy	1	0.1%
29	Kenya	1	0.1%
30	Indonesia	1	0.1%
31	Greece	1	0.1%
32	Ethiopia	1	0.1%
33	Slovakia	1	0.1%
34	South Africa	1	0.1%
35	Thailand	1	0.1%
36	Turkey	1	0.1%
37	Mongolia	1	0.1%