Rank	Countries/Territories	Count	Percent
1	United States	272	42.4%
2	China	107	16.7%
3	United Kingdom	37	5.8%
4	Germany	36	5.6%
5	India	31	4.8%
6	Canada	14	2.2%
7	Japan	14	2.2%
8	Netherlands	11	1.7%
9	Spain	11	1.7%
10	Taiwan	10	1.6%
11	France	9	1.4%
12	Korea, Republic of	8	1.2%
13	Greece	8	1.2%
14	Portugal	6	0.9%
15	Russia	6	0.9%
16	Sweden	5	0.8%
17	Hong Kong	5	0.8%
18	Colombia	5	0.8%
19	Belgium	5	0.8%
20	Australia	4	0.6%
21	Chile	4	0.6%
22	Ireland	4	0.6%
23	Denmark	3	0.5%
24	Cyprus	2	0.3%
25	Brazil	2	0.3%
26	Israel	2	0.3%
27	Italy	2	0.3%
28	Morocco	2	0.3%
29	Pakistan	2	0.3%
30	Philippines	2	0.3%
31	Poland	2	0.3%
32	Singapore	2	0.3%
33	Turkey	2	0.3%
34	Nigeria	1	0.2%
35	Norway	1	0.2%
36	Austria	1	0.2%
37	Argentina	1	0.2%
38	Indonesia	1	0.2%
39	Iran, Islamic Republic of	1	0.2%
40	Hungary	1	0.2%