Rank	Countries/Territories	Count	Percent
1	United States	438	42.6%
2	China	190	18.5%
3	Germany	105	10.2%
4	Ireland	36	3.5%
5	United Kingdom	33	3.2%
6	Italy	28	2.7%
7	Netherlands	28	2.7%
8	France	28	2.7%
9	India	19	1.8%
10	Canada	15	1.5%
11	Australia	14	1.4%
12	Singapore	13	1.3%
13	Portugal	7	0.7%
14	Japan	7	0.7%
15	Israel	6	0.6%
16	Spain	5	0.5%
17	Iran, Islamic Republic of	5	0.5%
18	Greece	4	0.4%
19	Serbia	4	0.4%
20	Turkey	3	0.3%
21	United Arab Emirates	3	0.3%
22	Cyprus	3	0.3%
23	Belgium	3	0.3%
24	Russia	3	0.3%
25	Romania	2	0.2%
26	Kuwait	2	0.2%
27	Lithuania	2	0.2%
28	Croatia	2	0.2%
29	Iraq	2	0.2%
30	Indonesia	2	0.2%
31	Thailand	2	0.2%
32	Slovakia	2	0.2%
33	Czech Republic	1	0.1%
34	Denmark	1	0.1%
35	Hungary	1	0.1%
36	Colombia	1	0.1%
37	Brazil	1	0.1%
38	Argentina	1	0.1%
39	Armenia	1	0.1%
40	Mexico	1	0.1%
41	Norway	1	0.1%
42	Korea, Republic of	1	0.1%
43	Sweden	1	0.1%
44	Switzerland	1	0.1%
45	Taiwan	1	0.1%