Rank	Countries/Territories	Count	Percent
1	United States	440	52.4%
2	China	172	20.5%
3	Germany	36	4.3%
4	India	29	3.5%
5	Egypt	23	2.7%
6	Italy	21	2.5%
7	United Kingdom	13	1.5%
8	Korea, Republic of	12	1.4%
9	France	12	1.4%
10	Czech Republic	12	1.4%
11	Japan	9	1.1%
12	Ireland	8	1%
13	Israel	7	0.8%
14	Russia	7	0.8%
15	Netherlands	6	0.7%
16	Canada	5	0.6%
17	Brazil	4	0.5%
18	Singapore	4	0.5%
19	Spain	3	0.4%
20	Taiwan	2	0.2%
21	Thailand	2	0.2%
22	Norway	2	0.2%
23	Austria	2	0.2%
24	Indonesia	2	0.2%
25	Hong Kong	1	0.1%
26	Australia	1	0.1%
27	Denmark	1	0.1%
28	Cyprus	1	0.1%
29	South Africa	1	0.1%
30	Serbia	1	0.1%
31	Sweden	1	0.1%