Rank	Countries/Territories	Count	Percent
1	United States	341	35.8%
2	China	288	30.2%
3	Germany	72	7.6%
4	Spain	40	4.2%
5	United Kingdom	24	2.5%
6	Canada	22	2.3%
7	Japan	21	2.2%
8	Korea, Republic of	20	2.1%
9	India	20	2.1%
10	Netherlands	17	1.8%
11	Sweden	14	1.5%
12	France	9	0.9%
13	Ireland	6	0.6%
14	Israel	5	0.5%
15	Hong Kong	5	0.5%
16	Italy	4	0.4%
17	Cyprus	4	0.4%
18	Australia	3	0.3%
19	Iran, Islamic Republic of	3	0.3%
20	Malaysia	3	0.3%
21	Brazil	2	0.2%
22	Switzerland	2	0.2%
23	Turkey	2	0.2%
24	Ukraine	2	0.2%
25	Romania	2	0.2%
26	Russia	2	0.2%
27	Singapore	2	0.2%
28	Slovakia	2	0.2%
29	New Zealand	2	0.2%
30	Moldova, Republic of	2	0.2%
31	Mongolia	1	0.1%
32	Morocco	1	0.1%
33	Nepal	1	0.1%
34	Oman	1	0.1%
35	Pakistan	1	0.1%
36	Poland	1	0.1%
37	Belgium	1	0.1%
38	Djibouti	1	0.1%
39	Ecuador	1	0.1%
40	Egypt	1	0.1%
41	Libya	1	0.1%
42	Mauritius	1	0.1%