Rank	Countries/Territories	Count	Percent
1	United States	484	40.1%
2	China	300	24.9%
3	Germany	124	10.3%
4	France	45	3.7%
5	Canada	27	2.2%
6	Egypt	23	1.9%
7	Russia	20	1.7%
8	Netherlands	19	1.6%
9	United Kingdom	18	1.5%
10	Switzerland	15	1.2%
11	India	14	1.2%
12	Korea, Republic of	12	1%
13	Japan	11	0.9%
14	Singapore	9	0.7%
15	Indonesia	7	0.6%
16	Finland	6	0.5%
17	Cyprus	6	0.5%
18	Taiwan	6	0.5%
19	Mexico	6	0.5%
20	Italy	6	0.5%
21	Hong Kong	6	0.5%
22	Thailand	5	0.4%
23	Turkey	4	0.3%
24	Romania	3	0.2%
25	Iran, Islamic Republic of	3	0.2%
26	Argentina	3	0.2%
27	Australia	2	0.2%
28	Chile	2	0.2%
29	Colombia	2	0.2%
30	Ireland	2	0.2%
31	Ecuador	2	0.2%
32	Saudi Arabia	2	0.2%
33	Pakistan	2	0.2%
34	Spain	2	0.2%
35	Viet Nam	2	0.2%
36	South Africa	1	0.1%
37	Mongolia	1	0.1%
38	Ukraine	1	0.1%
39	Belarus	1	0.1%
40	Brazil	1	0.1%
41	Armenia	1	0.1%