Rank	Countries/Territories	Count	Percent
1	United States	415	39.6%
2	China	327	31.2%
3	Germany	54	5.2%
4	United Kingdom	52	5%
5	Saudi Arabia	27	2.6%
6	Japan	23	2.2%
7	India	18	1.7%
8	France	16	1.5%
9	Netherlands	11	1.1%
10	Canada	9	0.9%
11	Australia	8	0.8%
12	Singapore	8	0.8%
13	Taiwan	8	0.8%
14	Brazil	7	0.7%
15	Norway	6	0.6%
16	Russia	6	0.6%
17	Mexico	4	0.4%
18	Portugal	4	0.4%
19	Romania	3	0.3%
20	Sweden	3	0.3%
21	Switzerland	3	0.3%
22	South Africa	3	0.3%
23	Iran, Islamic Republic of	3	0.3%
24	Greece	3	0.3%
25	Turkey	3	0.3%
26	Ukraine	2	0.2%
27	Latvia	2	0.2%
28	Ireland	2	0.2%
29	Cyprus	2	0.2%
30	Czech Republic	2	0.2%
31	Spain	2	0.2%
32	Thailand	2	0.2%
33	Mongolia	2	0.2%
34	Nepal	1	0.1%
35	Egypt	1	0.1%
36	Bangladesh	1	0.1%
37	Israel	1	0.1%
38	Italy	1	0.1%
39	Malaysia	1	0.1%
40	Hong Kong	1	0.1%