Rank	Countries/Territories	Count	Percent
1	United States	378	38.4%
2	China	122	12.4%
3	Germany	108	11%
4	United Kingdom	97	9.9%
5	Australia	31	3.2%
6	Netherlands	29	2.9%
7	France	26	2.6%
8	Japan	24	2.4%
9	India	21	2.1%
10	Singapore	15	1.5%
11	Greece	14	1.4%
12	Italy	13	1.3%
13	Iran, Islamic Republic of	10	1%
14	Canada	9	0.9%
15	Israel	9	0.9%
16	Switzerland	9	0.9%
17	Viet Nam	8	0.8%
18	Ireland	7	0.7%
19	Malaysia	6	0.6%
20	Russia	5	0.5%
21	Sweden	4	0.4%
22	Taiwan	4	0.4%
23	Costa Rica	4	0.4%
24	Denmark	4	0.4%
25	Cyprus	3	0.3%
26	Belgium	3	0.3%
27	Norway	3	0.3%
28	Pakistan	3	0.3%
29	Egypt	2	0.2%
30	Finland	2	0.2%
31	Hong Kong	2	0.2%
32	Indonesia	1	0.1%
33	Brazil	1	0.1%
34	Austria	1	0.1%
35	Mongolia	1	0.1%
36	Korea, Republic of	1	0.1%
37	Lithuania	1	0.1%
38	Turkey	1	0.1%
39	Ukraine	1	0.1%
40	Spain	1	0.1%