Rank	Countries/Territories	Count	Percent
1	United States	460	41.6%
2	China	313	28.3%
3	Germany	124	11.2%
4	France	24	2.2%
5	Japan	23	2.1%
6	Canada	18	1.6%
7		18	1.6%
8	Egypt	16	1.4%
9	India	16	1.4%
10	Korea, Republic of	12	1.1%
11	Ireland	10	0.9%
12	Hong Kong	9	0.8%
13	Netherlands	9	0.8%
14	Russia	7	0.6%
15	Turkey	6	0.5%
16	Cyprus	6	0.5%
17	Australia	4	0.4%
18	United Kingdom	4	0.4%
19	Sweden	4	0.4%
20	Taiwan	3	0.3%
21	Singapore	3	0.3%
22	Latvia	3	0.3%
23	Israel	2	0.2%
24	Italy	2	0.2%
25	Iran, Islamic Republic of	2	0.2%
26	South Africa	2	0.2%
27	Malaysia	2	0.2%
28	Ukraine	2	0.2%
29	Thailand	1	0.1%
30	Lithuania	1	0.1%
31	Bulgaria	1	0.1%