Rank	Countries/Territories	Count	Percent
1	United States	482	57.9%
2	China	122	14.7%
3	Germany	51	6.1%
4	France	28	3.4%
5	India	19	2.3%
6	Canada	15	1.8%
7	Netherlands	12	1.4%
8	Korea, Republic of	8	1%
9	Switzerland	8	1%
10	Sweden	7	0.8%
11	Singapore	7	0.8%
12	Egypt	7	0.8%
13	Mexico	6	0.7%
14	Ukraine	5	0.6%
15	Saudi Arabia	4	0.5%
16	Iran, Islamic Republic of	4	0.5%
17	Argentina	4	0.5%
18	Pakistan	3	0.4%
19	Thailand	3	0.4%
20	United Kingdom	2	0.2%
21	Spain	2	0.2%
22	Taiwan	2	0.2%
23	Peru	2	0.2%
24	Ireland	2	0.2%
25	Kuwait	2	0.2%
26	Chile	2	0.2%
27	Brazil	2	0.2%
28	Brunei Darussalam	2	0.2%
29	Georgia	2	0.2%
30	Algeria	2	0.2%
31	Cyprus	2	0.2%
32	Costa Rica	1	0.1%
33	El Salvador	1	0.1%
34	Australia	1	0.1%
35	Belgium	1	0.1%
36	Bosnia and Herzegovina	1	0.1%
37	Malaysia	1	0.1%
38	New Zealand	1	0.1%
39	Italy	1	0.1%
40	Puerto Rico	1	0.1%
41	Russia	1	0.1%
42	South Africa	1	0.1%
43	Turkey	1	0.1%
44	Yemen	1	0.1%