Rank	Countries/Territories	Count	Percent
1	United States	651	40.9%
2	China	576	36.2%
3	Germany	122	7.7%
4	France	37	2.3%
5		35	2.2%
6	Netherlands	23	1.4%
7	Canada	20	1.3%
8	Singapore	16	1%
9	Switzerland	13	0.8%
10	India	10	0.6%
11	Japan	9	0.6%
12	Greece	8	0.5%
13	Bangladesh	7	0.4%
14	Australia	6	0.4%
15	Korea, Republic of	6	0.4%
16	Latvia	6	0.4%
17	Spain	6	0.4%
18	Ireland	5	0.3%
19	Hong Kong	4	0.3%
20	Cyprus	4	0.3%
21	Austria	4	0.3%
22	Russia	4	0.3%
23	Ukraine	3	0.2%
24	Argentina	3	0.2%
25	Indonesia	3	0.2%
26	Iraq	2	0.1%
27	Bulgaria	2	0.1%
28	Sweden	2	0.1%
29	South Africa	2	0.1%
30	United Kingdom	1	0.1%
31	Brazil	1	0.1%
32	Italy	1	0.1%
33	Czech Republic	1	0.1%