Rank	Countries/Territories	Count	Percent
1	United States	224	35.8%
2	China	184	29.4%
3	Germany	46	7.3%
4	India	28	4.5%
5	Korea, Republic of	22	3.5%
6	Iran, Islamic Republic of	18	2.9%
7	Hong Kong	10	1.6%
8	United Kingdom	10	1.6%
9	Singapore	8	1.3%
10	Australia	7	1.1%
11	Ireland	6	1%
12	Netherlands	5	0.8%
13	Saudi Arabia	5	0.8%
14	Thailand	4	0.6%
15	France	4	0.6%
16	Denmark	3	0.5%
17	Egypt	3	0.5%
18	Ethiopia	3	0.5%
19	Bangladesh	3	0.5%
20	Canada	3	0.5%
21	Israel	3	0.5%
22	Italy	3	0.5%
23	Turkey	3	0.5%
24	Spain	3	0.5%
25	Portugal	3	0.5%
26	Qatar	3	0.5%
27	Russia	3	0.5%
28	Taiwan	2	0.3%
29	Tunisia	2	0.3%
30	Colombia	2	0.3%
31	Cyprus	1	0.2%
32	Argentina	1	0.2%
33	Poland	1	0.2%