Rank	Countries/Territories	Count	Percent
1	United States	236	32.1%
2	China	130	17.7%
3	Germany	41	5.6%
4	India	30	4.1%
5	Korea, Republic of	29	3.9%
6	Hong Kong	28	3.8%
7	Spain	26	3.5%
8	Italy	24	3.3%
9	Netherlands	22	3%
10	Canada	17	2.3%
11	Ireland	16	2.2%
12	Czech Republic	14	1.9%
13	United Kingdom	13	1.8%
14	Iran, Islamic Republic of	11	1.5%
15	Japan	11	1.5%
16	Belgium	7	1%
17	Switzerland	7	1%
18	Singapore	6	0.8%
19	France	6	0.8%
20	Lebanon	5	0.7%
21	Israel	5	0.7%
22	Sweden	5	0.7%
23	Nigeria	4	0.5%
24	Brazil	4	0.5%
25	Bulgaria	3	0.4%
26	Romania	3	0.4%
27	Taiwan	3	0.4%
28	South Africa	3	0.4%
29	Viet Nam	2	0.3%
30	Mexico	2	0.3%
31	Oman	2	0.3%
32	Poland	2	0.3%
33	Portugal	2	0.3%
34	Argentina	2	0.3%
35	Australia	2	0.3%
36	Cyprus	2	0.3%
37	Colombia	1	0.1%
38	Georgia	1	0.1%
39	Ghana	1	0.1%
40	Denmark	1	0.1%
41	Ecuador	1	0.1%
42	Egypt	1	0.1%
43	Reunion	1	0.1%
44	Morocco	1	0.1%
45	Saudi Arabia	1	0.1%
46	Libya	1	0.1%
47	Slovakia	1	0.1%