Rank	Countries/Territories	Count	Percent
1	United States	624	38.3%
2	China	225	13.8%
3	Japan	123	7.5%
4	Germany	105	6.4%
5	India	69	4.2%
6	Netherlands	55	3.4%
7	Ireland	43	2.6%
8	Russia	35	2.1%
9	United Kingdom	29	1.8%
10	France	29	1.8%
11	Romania	27	1.7%
12	Turkey	26	1.6%
13	Korea, Republic of	25	1.5%
14	Singapore	23	1.4%
15	Sweden	22	1.3%
16	Australia	20	1.2%
17	Canada	18	1.1%
18	Cyprus	13	0.8%
19	Switzerland	10	0.6%
20	Ukraine	10	0.6%
21	Taiwan	8	0.5%
22	Brazil	6	0.4%
23	Egypt	6	0.4%
24	Italy	6	0.4%
25	Malaysia	6	0.4%
26	Chile	5	0.3%
27	Hong Kong	4	0.2%
28	Nepal	4	0.2%
29	Lebanon	4	0.2%
30	Israel	4	0.2%
31	Portugal	4	0.2%
32	United Arab Emirates	4	0.2%
33	Spain	4	0.2%
34	Finland	3	0.2%
35	Ecuador	3	0.2%
36	Afghanistan	2	0.1%
37	Iran, Islamic Republic of	2	0.1%
38	Mexico	2	0.1%
39	Nigeria	2	0.1%
40	Philippines	2	0.1%
41	Uganda	2	0.1%
42	South Africa	2	0.1%
43	Rwanda	1	0.1%
44	Serbia	1	0.1%
45	Uzbekistan	1	0.1%
46	Viet Nam	1	0.1%
47	Poland	1	0.1%
48	Pakistan	1	0.1%
49	Mauritius	1	0.1%
50	Indonesia	1	0.1%
51	Argentina	1	0.1%
52	Armenia	1	0.1%
53	Bangladesh	1	0.1%
54	Hungary	1	0.1%
55	Ghana	1	0.1%
56	Greece	1	0.1%