Rank	Countries/Territories	Count	Percent
1	United States	526	38.7%
2	China	376	27.7%
3	Germany	75	5.5%
4	Japan	57	4.2%
5	Australia	44	3.2%
6	Korea, Republic of	34	2.5%
7	Netherlands	30	2.2%
8	United Kingdom	29	2.1%
9	France	26	1.9%
10	Canada	23	1.7%
11	Italy	22	1.6%
12	India	22	1.6%
13	Singapore	17	1.3%
14	Hong Kong	14	1%
15	Belgium	8	0.6%
16	Iran, Islamic Republic of	7	0.5%
17	Ireland	6	0.4%
18	Taiwan	6	0.4%
19	Sweden	5	0.4%
20	Switzerland	5	0.4%
21	Cyprus	5	0.4%
22	Turkey	3	0.2%
23	Serbia	2	0.1%
24	Spain	2	0.1%
25	Kenya	2	0.1%
26	Norway	2	0.1%
27	Argentina	2	0.1%
28	Brazil	2	0.1%
29	Israel	2	0.1%
30	Bangladesh	1	0.1%
31	Romania	1	0.1%
32	Russia	1	0.1%
33	Slovenia	1	0.1%
34	Ukraine	1	0.1%