Rank	Countries/Territories	Count	Percent
1	United States	530	36.6%
2	China	425	29.4%
3	Germany	84	5.8%
4	France	51	3.5%
5	Japan	50	3.5%
6	Canada	32	2.2%
7	Netherlands	28	1.9%
8	Singapore	24	1.7%
9	Iran, Islamic Republic of	24	1.7%
10	Sweden	23	1.6%
11	United Kingdom	22	1.5%
12	Russia	22	1.5%
13	Australia	17	1.2%
14	Korea, Republic of	11	0.8%
15	India	10	0.7%
16	Kazakhstan	9	0.6%
17	Switzerland	7	0.5%
18	South Africa	6	0.4%
19	Israel	6	0.4%
20	Argentina	6	0.4%
21	Malaysia	5	0.3%
22		4	0.3%
23	Belgium	4	0.3%
24	Hong Kong	4	0.3%
25	Cyprus	4	0.3%
26	Turkey	4	0.3%
27	Taiwan	3	0.2%
28	Ireland	3	0.2%
29	Slovakia	3	0.2%
30	Peru	2	0.1%
31	Philippines	2	0.1%
32	Portugal	2	0.1%
33	Qatar	2	0.1%
34	Colombia	2	0.1%
35	Bangladesh	2	0.1%
36	Ukraine	2	0.1%
37	United Arab Emirates	2	0.1%
38	Sri Lanka	2	0.1%
39	Spain	1	0.1%
40	Viet Nam	1	0.1%
41	Denmark	1	0.1%
42	Egypt	1	0.1%
43	Hungary	1	0.1%
44	Mauritius	1	0.1%
45	Mongolia	1	0.1%
46	Norway	1	0.1%