Rank	Countries/Territories	Count	Percent
1	United States	501	38.9%
2	China	283	22%
3	Germany	121	9.4%
4	India	31	2.4%
5	France	28	2.2%
6		27	2.1%
7	Japan	26	2%
8	Korea, Republic of	18	1.4%
9	Netherlands	18	1.4%
10	South Africa	18	1.4%
11	Spain	16	1.2%
12	United Kingdom	15	1.2%
13	Singapore	14	1.1%
14	Australia	12	0.9%
15	Canada	11	0.9%
16	Switzerland	11	0.9%
17	Taiwan	10	0.8%
18	Norway	10	0.8%
19	Hong Kong	10	0.8%
20	Mexico	9	0.7%
21	Finland	8	0.6%
22	Cyprus	8	0.6%
23	Egypt	7	0.5%
24	Poland	7	0.5%
25	Malaysia	7	0.5%
26	Brazil	6	0.5%
27	Indonesia	6	0.5%
28	Iran, Islamic Republic of	5	0.4%
29	Italy	5	0.4%
30	Ukraine	5	0.4%
31	Portugal	4	0.3%
32	Lithuania	3	0.2%
33	Ireland	3	0.2%
34	Argentina	3	0.2%
35	Austria	2	0.2%
36	Belgium	2	0.2%
37	Israel	2	0.2%
38	Mongolia	2	0.2%
39	Latvia	2	0.2%
40	Russia	2	0.2%
41	Slovakia	2	0.2%
42	Sweden	2	0.2%
43	Turkey	1	0.1%
44	Qatar	1	0.1%
45	Romania	1	0.1%
46	Georgia	1	0.1%
47	Bulgaria	1	0.1%