Rank	Countries/Territories	Count	Percent
1	United States	233	31.1%
2	China	226	30.2%
3	Germany	105	14%
4	Japan	43	5.7%
5	Singapore	14	1.9%
6	France	11	1.5%
7	India	8	1.1%
8	Italy	8	1.1%
9	Algeria	8	1.1%
10	Netherlands	8	1.1%
11	Russia	7	0.9%
12	Korea, Republic of	6	0.8%
13	Australia	6	0.8%
14	Canada	6	0.8%
15	Hong Kong	5	0.7%
16	Ireland	5	0.7%
17	Sweden	5	0.7%
18	Spain	4	0.5%
19	Iran, Islamic Republic of	4	0.5%
20	United Kingdom	4	0.5%
21	Taiwan	3	0.4%
22	Mexico	3	0.4%
23	Romania	3	0.4%
24	Thailand	2	0.3%
25	Turkey	2	0.3%
26	Belgium	2	0.3%
27	Brazil	2	0.3%
28	Egypt	2	0.3%
29	Finland	2	0.3%
30	Viet Nam	2	0.3%
31	Cyprus	1	0.1%
32	Denmark	1	0.1%
33	Argentina	1	0.1%
34	Uganda	1	0.1%
35	Ukraine	1	0.1%
36	United Arab Emirates	1	0.1%
37	Switzerland	1	0.1%
38	Nigeria	1	0.1%
39	Norway	1	0.1%
40	Kenya	1	0.1%