Rank	Countries/Territories	Count	Percent
1	United States	308	44.4%
2	China	114	16.5%
3	Germany	42	6.1%
4	United Kingdom	37	5.3%
5	India	31	4.5%
6	Canada	14	2%
7	Japan	14	2%
8	Netherlands	11	1.6%
9	Spain	11	1.6%
10	Taiwan	10	1.4%
11	France	9	1.3%
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	0.7%
17	Hong Kong	5	0.7%
18	Colombia	5	0.7%
19	Belgium	5	0.7%
20	Australia	4	0.6%
21	Chile	4	0.6%
22	Ireland	4	0.6%
23	Norway	3	0.4%
24	Denmark	3	0.4%
25	Cyprus	2	0.3%
26	Brazil	2	0.3%
27	Pakistan	2	0.3%
28	Philippines	2	0.3%
29	Poland	2	0.3%
30	Israel	2	0.3%
31	Italy	2	0.3%
32	Morocco	2	0.3%
33	Turkey	2	0.3%
34	Singapore	2	0.3%
35	Nigeria	1	0.1%
36	Austria	1	0.1%
37	Argentina	1	0.1%
38	Indonesia	1	0.1%
39	Iran, Islamic Republic of	1	0.1%
40	Hungary	1	0.1%