Rank	Countries/Territories	Count	Percent
1	United States	646	34.1%
2	China	348	18.4%
3	Germany	125	6.6%
4	Japan	100	5.3%
5	Australia	84	4.4%
6	Singapore	53	2.8%
7	France	50	2.6%
8	Netherlands	50	2.6%
9	Spain	43	2.3%
10	Russia	40	2.1%
11	Romania	36	1.9%
12	United Kingdom	36	1.9%
13	Sweden	32	1.7%
14	Ireland	32	1.7%
15	Canada	28	1.5%
16	India	18	1%
17	Mexico	14	0.7%
18	Poland	13	0.7%
19	Pakistan	11	0.6%
20	Brazil	10	0.5%
21	Belgium	9	0.5%
22	Switzerland	9	0.5%
23	Taiwan	9	0.5%
24	Malaysia	7	0.4%
25	Iran, Islamic Republic of	7	0.4%
26	Korea, Republic of	6	0.3%
27	Italy	6	0.3%
28	Indonesia	6	0.3%
29	Cyprus	6	0.3%
30	Denmark	6	0.3%
31	Bulgaria	4	0.2%
32	New Zealand	4	0.2%
33	Israel	4	0.2%
34	Thailand	4	0.2%
35	Turkey	4	0.2%
36	Serbia	3	0.2%
37	Slovenia	3	0.2%
38	Morocco	3	0.2%
39	Argentina	3	0.2%
40	Ecuador	3	0.2%
41	Hungary	2	0.1%
42	Austria	2	0.1%
43	Montenegro	2	0.1%
44	Norway	2	0.1%
45	South Africa	2	0.1%
46	Ukraine	2	0.1%
47	Philippines	1	0.1%
48	Mongolia	1	0.1%
49	Lithuania	1	0.1%
50	Kenya	1	0.1%
51	Colombia	1	0.1%
52	Georgia	1	0.1%