Rank	Countries/Territories	Count	Percent
1	United States	572	39.3%
2	China	229	15.7%
3	Germany	143	9.8%
4	United Kingdom	138	9.5%
5	France	38	2.6%
6	Australia	37	2.5%
7	Netherlands	31	2.1%
8	Japan	28	1.9%
9	India	28	1.9%
10	Singapore	19	1.3%
11	Canada	17	1.2%
12	Israel	15	1%
13	Greece	14	1%
14	Italy	13	0.9%
15	Iran, Islamic Republic of	13	0.9%
16	Viet Nam	12	0.8%
17	Russia	10	0.7%
18	Ireland	9	0.6%
19	Switzerland	9	0.6%
20	Korea, Republic of	7	0.5%
21	Malaysia	6	0.4%
22	Indonesia	6	0.4%
23	Sweden	6	0.4%
24	Hong Kong	5	0.3%
25	Costa Rica	4	0.3%
26	Cyprus	4	0.3%
27	Denmark	4	0.3%
28	Ukraine	4	0.3%
29	Taiwan	4	0.3%
30	Argentina	3	0.2%
31	Belgium	3	0.2%
32	Norway	3	0.2%
33	Pakistan	3	0.2%
34	Nigeria	2	0.1%
35	Georgia	2	0.1%
36	Albania	2	0.1%
37	Egypt	2	0.1%
38	Finland	2	0.1%
39	Turkey	2	0.1%
40	Austria	1	0.1%
41	Brazil	1	0.1%
42	South Africa	1	0.1%
43	Spain	1	0.1%
44	Mongolia	1	0.1%
45	Lithuania	1	0.1%