Rank	Countries/Territories	Count	Percent
1	United States	346	44.7%
2	China	169	21.8%
3	Germany	56	7.2%
4	India	49	6.3%
5	Canada	24	3.1%
6	Japan	18	2.3%
7	Ireland	14	1.8%
8	Spain	13	1.7%
9	Singapore	10	1.3%
10	Brazil	8	1%
11	United Kingdom	7	0.9%
12	Netherlands	6	0.8%
13	Australia	6	0.8%
14	Egypt	5	0.6%
15	Turkey	5	0.6%
16	Saudi Arabia	4	0.5%
17	Italy	4	0.5%
18	Russia	3	0.4%
19	France	3	0.4%
20	Argentina	3	0.4%
21	Iran, Islamic Republic of	3	0.4%
22	Cyprus	2	0.3%
23	Austria	2	0.3%
24	Taiwan	2	0.3%
25	Korea, Republic of	2	0.3%
26	Philippines	2	0.3%
27	Poland	1	0.1%
28	New Zealand	1	0.1%
29	Ukraine	1	0.1%
30	Bulgaria	1	0.1%
31	Chile	1	0.1%
32	Croatia	1	0.1%
33	Iraq	1	0.1%
34	Hong Kong	1	0.1%