Rank	Countries/Territories	Count	Percent
1	United States	613	48.2%
2	China	220	17.3%
3	Germany	95	7.5%
4	India	84	6.6%
5	Japan	29	2.3%
6	France	23	1.8%
7	Korea, Republic of	19	1.5%
8	Italy	17	1.3%
9	Ireland	11	0.9%
10	Netherlands	10	0.8%
11	Canada	9	0.7%
12	Egypt	9	0.7%
13	Australia	9	0.7%
14	United Kingdom	9	0.7%
15	Taiwan	9	0.7%
16	Spain	8	0.6%
17	Portugal	8	0.6%
18	Cyprus	7	0.6%
19	Greece	7	0.6%
20	Nigeria	6	0.5%
21	Romania	5	0.4%
22	Iran, Islamic Republic of	5	0.4%
23	Sweden	5	0.4%
24	Thailand	5	0.4%
25	South Africa	4	0.3%
26	Hong Kong	4	0.3%
27	Czech Republic	3	0.2%
28	Belgium	3	0.2%
29	Singapore	3	0.2%
30	Poland	2	0.2%
31	Syrian Arab Republic	2	0.2%
32	Tunisia	2	0.2%
33	Turkey	2	0.2%
34	Brazil	2	0.2%
35	Austria	2	0.2%
36	Denmark	2	0.2%
37	Indonesia	2	0.2%
38	Russia	2	0.2%
39	Saudi Arabia	2	0.2%
40	Serbia	2	0.2%
41	Norway	1	0.1%
42	Pakistan	1	0.1%
43	Lebanon	1	0.1%
44	Mexico	1	0.1%
45	Mongolia	1	0.1%
46	Antigua and Barbuda	1	0.1%
47	Argentina	1	0.1%
48	Colombia	1	0.1%
49	Ukraine	1	0.1%
50	Viet Nam	1	0.1%