Rank	Countries/Territories	Count	Percent
1	United States	320	33.4%
2	China	319	33.3%
3	Germany	62	6.5%
4	Canada	53	5.5%
5	France	24	2.5%
6	Netherlands	18	1.9%
7	Ireland	16	1.7%
8	Korea, Republic of	15	1.6%
9	Turkey	13	1.4%
10	United Kingdom	11	1.1%
11	Taiwan	9	0.9%
12	Singapore	8	0.8%
13	Japan	8	0.8%
14	India	8	0.8%
15	Australia	7	0.7%
16	Belgium	7	0.7%
17	Iran, Islamic Republic of	7	0.7%
18	Cyprus	5	0.5%
19	Indonesia	5	0.5%
20	Israel	4	0.4%
21	Hong Kong	4	0.4%
22	Greece	4	0.4%
23	Russia	4	0.4%
24	Sweden	3	0.3%
25	Viet Nam	2	0.2%
26	South Africa	2	0.2%
27	Brazil	2	0.2%
28	Argentina	2	0.2%
29	Denmark	1	0.1%
30	Egypt	1	0.1%
31	Colombia	1	0.1%
32	Croatia	1	0.1%
33	Honduras	1	0.1%
34	Italy	1	0.1%
35	Spain	1	0.1%
36	Saudi Arabia	1	0.1%
37	Tunisia	1	0.1%
38	Ukraine	1	0.1%
39	Nigeria	1	0.1%
40	Norway	1	0.1%
41	Lebanon	1	0.1%
42	Lithuania	1	0.1%
43	Malaysia	1	0.1%
44	Mexico	1	0.1%