Rank	Countries/Territories	Count	Percent
1	United States	671	37%
2	China	330	18.2%
3	Germany	193	10.6%
4	India	131	7.2%
5	Singapore	55	3%
6	United Kingdom	37	2%
7	Japan	36	2%
8	Ireland	35	1.9%
9	Canada	35	1.9%
10	Netherlands	32	1.8%
11	Italy	23	1.3%
12	Greece	23	1.3%
13	Spain	20	1.1%
14	Korea, Republic of	15	0.8%
15	France	13	0.7%
16	Australia	11	0.6%
17	Egypt	10	0.6%
18	Turkey	8	0.4%
19	Sweden	7	0.4%
20	Russia	7	0.4%
21	Czech Republic	7	0.4%
22	Brazil	6	0.3%
23	Mongolia	6	0.3%
24	Norway	6	0.3%
25	Pakistan	5	0.3%
26	Lithuania	5	0.3%
27	Mexico	5	0.3%
28	Switzerland	5	0.3%
29	Romania	5	0.3%
30	Cyprus	5	0.3%
31	Indonesia	5	0.3%
32	Iran, Islamic Republic of	5	0.3%
33	Croatia	4	0.2%
34	Austria	4	0.2%
35	Algeria	4	0.2%
36	Taiwan	4	0.2%
37	Saudi Arabia	4	0.2%
38	Slovakia	3	0.2%
39	Belgium	3	0.2%
40	Denmark	3	0.2%
41	Costa Rica	2	0.1%
42	Argentina	2	0.1%
43	Iraq	2	0.1%
44	Hong Kong	2	0.1%
45	Hungary	2	0.1%
46	Israel	2	0.1%
47	Kyrgyzstan	2	0.1%
48	Lebanon	2	0.1%
49	Poland	2	0.1%
50	New Zealand	1	0.1%
51	Malaysia	1	0.1%
52	Morocco	1	0.1%
53	Palestine, State of	1	0.1%
54	Philippines	1	0.1%
55	Thailand	1	0.1%
56	Ukraine	1	0.1%
57	Cambodia	1	0.1%
58	Colombia	1	0.1%
59	Finland	1	0.1%