Rank	Countries/Territories	Count	Percent
1	United States	511	38.4%
2	China	288	21.6%
3	Germany	145	10.9%
4	India	94	7.1%
5	Japan	55	4.1%
6	Argentina	21	1.6%
7	Singapore	20	1.5%
8	Australia	19	1.4%
9	Netherlands	13	1%
10	Austria	11	0.8%
11	France	10	0.8%
12	United Kingdom	10	0.8%
13	Spain	9	0.7%
14	Romania	9	0.7%
15	Hong Kong	9	0.7%
16	Cyprus	8	0.6%
17	Canada	8	0.6%
18	Russia	8	0.6%
19	Sweden	8	0.6%
20	Thailand	8	0.6%
21	Turkey	7	0.5%
22	Peru	6	0.5%
23	Iran, Islamic Republic of	6	0.5%
24	South Africa	5	0.4%
25	Taiwan	4	0.3%
26	United Arab Emirates	4	0.3%
27	Ireland	4	0.3%
28	Italy	4	0.3%
29	Malaysia	3	0.2%
30	Switzerland	3	0.2%
31	Slovakia	2	0.2%
32	Lebanon	2	0.2%
33	Mexico	2	0.2%
34	Norway	2	0.2%
35	Israel	2	0.2%
36	Belgium	2	0.2%
37	Egypt	2	0.2%
38	Iraq	1	0.1%
39	Chile	1	0.1%
40	Ecuador	1	0.1%
41	Belarus	1	0.1%
42	Nepal	1	0.1%
43	Korea, Republic of	1	0.1%
44	Saudi Arabia	1	0.1%
45	Ukraine	1	0.1%