Rank	Countries/Territories	Count	Percent
1	United States	244	40.1%
2	China	121	19.9%
3	Germany	52	8.6%
4	Canada	39	6.4%
5	Singapore	19	3.1%
6	India	18	3%
7	France	15	2.5%
8	Australia	12	2%
9	United Kingdom	9	1.5%
10	Ireland	8	1.3%
11	Japan	7	1.2%
12	Korea, Republic of	7	1.2%
13	Switzerland	7	1.2%
14	Spain	4	0.7%
15	Poland	3	0.5%
16	Romania	3	0.5%
17	Thailand	3	0.5%
18	Ukraine	2	0.3%
19	United Arab Emirates	2	0.3%
20	Russia	2	0.3%
21	Saudi Arabia	2	0.3%
22	Malaysia	2	0.3%
23	Nepal	2	0.3%
24	Netherlands	2	0.3%
25	Peru	2	0.3%
26	Belgium	2	0.3%
27	Brazil	2	0.3%
28	Bulgaria	2	0.3%
29	Cyprus	2	0.3%
30	Finland	2	0.3%
31	Argentina	1	0.2%
32	Indonesia	1	0.2%
33	Iran, Islamic Republic of	1	0.2%
34	Chile	1	0.2%
35	Colombia	1	0.2%
36	Mexico	1	0.2%
37	Luxembourg	1	0.2%
38	Italy	1	0.2%
39	Puerto Rico	1	0.2%
40	Sweden	1	0.2%
41	Taiwan	1	0.2%