Rank	Countries/Territories	Count	Percent
1	United States	319	37.3%
2	China	171	20%
3	Germany	99	11.6%
4	India	25	2.9%
5	Japan	19	2.2%
6	South Africa	18	2.1%
7	Korea, Republic of	16	1.9%
8	Netherlands	13	1.5%
9	France	13	1.5%
10	Switzerland	11	1.3%
11	Canada	10	1.2%
12	Norway	10	1.2%
13	Singapore	10	1.2%
14	Australia	9	1.1%
15	Finland	8	0.9%
16	Spain	8	0.9%
17	United Kingdom	8	0.9%
18	Egypt	7	0.8%
19	Poland	7	0.8%
20	Hong Kong	7	0.8%
21	Brazil	6	0.7%
22	Cyprus	6	0.7%
23	Taiwan	6	0.7%
24	Malaysia	5	0.6%
25	Mexico	4	0.5%
26	Italy	4	0.5%
27	Portugal	4	0.5%
28	Argentina	3	0.4%
29	Indonesia	3	0.4%
30	Iran, Islamic Republic of	3	0.4%
31	Ukraine	3	0.4%
32	Sweden	2	0.2%
33	Austria	2	0.2%
34	Belgium	2	0.2%
35	Slovakia	2	0.2%
36	Lithuania	2	0.2%
37	Russia	2	0.2%
38	Israel	2	0.2%
39	Latvia	1	0.1%
40	Qatar	1	0.1%
41	Romania	1	0.1%
42	Bulgaria	1	0.1%
43	Ireland	1	0.1%
44	Georgia	1	0.1%
45	Turkey	1	0.1%