Rank	Countries/Territories	Count	Percent
1	United States	559	33.2%
2	China	274	16.3%
3	India	200	11.9%
4	Germany	146	8.7%
5	Russia	65	3.9%
6	Belgium	44	2.6%
7	Korea, Republic of	43	2.6%
8	Netherlands	42	2.5%
9	France	35	2.1%
10	Canada	28	1.7%
11	Japan	24	1.4%
12	Taiwan	23	1.4%
13	Greece	17	1%
14	Egypt	15	0.9%
15	Italy	12	0.7%
16	Singapore	12	0.7%
17	Spain	12	0.7%
18	United Kingdom	11	0.7%
19	Australia	10	0.6%
20	Ireland	9	0.5%
21	Cyprus	8	0.5%
22	Saudi Arabia	7	0.4%
23	Romania	6	0.4%
24	Denmark	6	0.4%
25	Malaysia	6	0.4%
26	Mexico	6	0.4%
27	Philippines	5	0.3%
28	Hungary	5	0.3%
29	South Africa	5	0.3%
30	Viet Nam	4	0.2%
31	Thailand	4	0.2%
32	Ukraine	4	0.2%
33	Indonesia	4	0.2%
34	Portugal	3	0.2%
35	Sweden	3	0.2%
36	United Arab Emirates	2	0.1%
37	Uzbekistan	2	0.1%
38	Mongolia	2	0.1%
39	Iran, Islamic Republic of	2	0.1%
40	Colombia	2	0.1%
41	Finland	2	0.1%
42	Argentina	2	0.1%
43	Brazil	2	0.1%
44	Bangladesh	2	0.1%
45	Belarus	2	0.1%
46	Algeria	1	0.1%
47	Austria	1	0.1%
48	Hong Kong	1	0.1%
49	Israel	1	0.1%
50	Nepal	1	0.1%
51	New Zealand	1	0.1%
52	Norway	1	0.1%