Rank	Countries/Territories	Count	Percent
1	United States	345	34.4%
2	China	102	10.2%
3	Germany	79	7.9%
4	Ireland	73	7.3%
5	Canada	46	4.6%
6	Japan	33	3.3%
7	Netherlands	31	3.1%
8	United Kingdom	29	2.9%
9	Taiwan	27	2.7%
10	Russia	21	2.1%
11	India	21	2.1%
12	Korea, Republic of	17	1.7%
13	Italy	15	1.5%
14	Australia	12	1.2%
15	Bulgaria	12	1.2%
16	France	10	1%
17	Singapore	10	1%
18	Spain	10	1%
19	Sweden	9	0.9%
20	Mexico	7	0.7%
21	Israel	6	0.6%
22	Denmark	6	0.6%
23	Turkey	6	0.6%
24	Indonesia	5	0.5%
25	Algeria	5	0.5%
26	Hungary	4	0.4%
27	Egypt	4	0.4%
28	Switzerland	4	0.4%
29	Viet Nam	3	0.3%
30	Finland	3	0.3%
31	Greece	3	0.3%
32	Iran, Islamic Republic of	3	0.3%
33	Jordan	3	0.3%
34	Kenya	3	0.3%
35	Norway	3	0.3%
36	Romania	3	0.3%
37	Saudi Arabia	2	0.2%
38	Serbia	2	0.2%
39	Puerto Rico	2	0.2%
40	Moldova, Republic of	2	0.2%
41	Libya	2	0.2%
42	Malaysia	2	0.2%
43	Mauritius	2	0.2%
44	Belgium	2	0.2%
45	Brazil	2	0.2%
46	Cyprus	2	0.2%
47	Venezuela, Bolivarian Republic of	2	0.2%
48	South Africa	2	0.2%
49	United Arab Emirates	1	0.1%
50	Slovakia	1	0.1%
51	Colombia	1	0.1%
52	Lithuania	1	0.1%
53	Montenegro	1	0.1%