Rank	Countries/Territories	Count	Percent
1	United States	567	35.5%
2	China	409	25.6%
3	Germany	131	8.2%
4	Japan	87	5.4%
5	France	66	4.1%
6	Pakistan	55	3.4%
7	Canada	47	2.9%
8	Singapore	27	1.7%
9	United Kingdom	27	1.7%
10	Netherlands	18	1.1%
11	Iran, Islamic Republic of	15	0.9%
12	India	15	0.9%
13	Greece	13	0.8%
14	Cyprus	12	0.8%
15	Australia	12	0.8%
16	Poland	11	0.7%
17	Brazil	9	0.6%
18	Indonesia	8	0.5%
19	Italy	7	0.4%
20	Ireland	6	0.4%
21	Turkey	6	0.4%
22	Denmark	5	0.3%
23	Colombia	3	0.2%
24	Costa Rica	3	0.2%
25	Hungary	3	0.2%
26	Romania	3	0.2%
27	Slovakia	3	0.2%
28	Ukraine	3	0.2%
29	Montenegro	2	0.1%
30	Taiwan	2	0.1%
31	Russia	2	0.1%
32	Saudi Arabia	2	0.1%
33	Mexico	2	0.1%
34	Chile	2	0.1%
35	Algeria	2	0.1%
36	Argentina	2	0.1%
37	Georgia	2	0.1%
38	Hong Kong	2	0.1%
39	Egypt	1	0.1%
40	Mongolia	1	0.1%
41	Lithuania	1	0.1%
42	Malaysia	1	0.1%
43	Israel	1	0.1%
44	Switzerland	1	0.1%
45	Norway	1	0.1%