Rank	Countries/Territories	Count	Percent
1	United States	371	38.5%
2	China	311	32.3%
3	Germany	83	8.6%
4	France	42	4.4%
5	Canada	16	1.7%
6	Spain	15	1.6%
7	Netherlands	11	1.1%
8	Morocco	9	0.9%
9	Bangladesh	9	0.9%
10	Japan	8	0.8%
11	Korea, Republic of	7	0.7%
12	Singapore	7	0.7%
13	Australia	7	0.7%
14	Ecuador	7	0.7%
15	India	7	0.7%
16	Thailand	5	0.5%
17	Argentina	4	0.4%
18	Mexico	4	0.4%
19	Hong Kong	3	0.3%
20	Romania	3	0.3%
21	South Africa	3	0.3%
22	Saudi Arabia	3	0.3%
23	Cyprus	3	0.3%
24	United Kingdom	3	0.3%
25	Switzerland	2	0.2%
26	Czech Republic	2	0.2%
27	Chile	2	0.2%
28	Colombia	2	0.2%
29	Malaysia	2	0.2%
30	Iran, Islamic Republic of	2	0.2%
31	Ireland	1	0.1%
32	Italy	1	0.1%
33	Peru	1	0.1%
34	Philippines	1	0.1%
35	Poland	1	0.1%
36	Portugal	1	0.1%
37	Russia	1	0.1%
38	Brazil	1	0.1%
39	Indonesia	1	0.1%
40	Greece	1	0.1%