Rank	Countries/Territories	Count	Percent
1	United States	249	34.7%
2	China	179	24.9%
3	Japan	72	10%
4	Germany	59	8.2%
5	Russia	21	2.9%
6	India	16	2.2%
7	Singapore	14	1.9%
8	Viet Nam	10	1.4%
9	United Kingdom	9	1.3%
10	Netherlands	9	1.3%
11	Egypt	9	1.3%
12	Taiwan	8	1.1%
13	Switzerland	7	1%
14	Hong Kong	7	1%
15	Australia	6	0.8%
16	Uganda	5	0.7%
17	Cyprus	4	0.6%
18	France	4	0.6%
19	Indonesia	4	0.6%
20	Argentina	3	0.4%
21	Mexico	3	0.4%
22	Spain	3	0.4%
23	Ukraine	2	0.3%
24	Romania	2	0.3%
25	Ireland	2	0.3%
26	Czech Republic	2	0.3%
27	Colombia	2	0.3%
28	Brazil	2	0.3%
29	Canada	1	0.1%
30	Belgium	1	0.1%
31	Iran, Islamic Republic of	1	0.1%
32	Sweden	1	0.1%
33	Peru	1	0.1%