Rank	Countries/Territories	Count	Percent
1	United States	458	35.9%
2	China	313	24.5%
3	Germany	99	7.8%
4	Japan	54	4.2%
5	France	44	3.4%
6	Australia	41	3.2%
7		40	3.1%
8	Singapore	27	2.1%
9	United Kingdom	22	1.7%
10	Netherlands	20	1.6%
11	Canada	19	1.5%
12	Russia	15	1.2%
13	Korea, Republic of	13	1%
14	Israel	9	0.7%
15	India	9	0.7%
16	Italy	8	0.6%
17	Ukraine	8	0.6%
18	Spain	8	0.6%
19	Iran, Islamic Republic of	7	0.5%
20	Argentina	6	0.5%
21	Cyprus	5	0.4%
22	Lithuania	4	0.3%
23	New Zealand	4	0.3%
24	Slovakia	3	0.2%
25	Mongolia	3	0.2%
26	Hong Kong	3	0.2%
27	Austria	3	0.2%
28	Syrian Arab Republic	3	0.2%
29	Taiwan	3	0.2%
30	Sweden	2	0.2%
31	Viet Nam	2	0.2%
32	Bangladesh	2	0.2%
33	Brazil	2	0.2%
34	Chile	2	0.2%
35	Hungary	2	0.2%
36	Iceland	2	0.2%
37	Ireland	2	0.2%
38	Philippines	2	0.2%
39	Romania	1	0.1%
40	Pakistan	1	0.1%
41	South Africa	1	0.1%
42	Morocco	1	0.1%
43	Moldova, Republic of	1	0.1%
44	Bulgaria	1	0.1%
45	Turkey	1	0.1%