Rank	Countries/Territories	Count	Percent
1	United States	263	31.5%
2	China	162	19.4%
3	Germany	48	5.7%
4	United Kingdom	35	4.2%
5	India	29	3.5%
6	Korea, Republic of	28	3.4%
7	Egypt	20	2.4%
8	Netherlands	20	2.4%
9	Japan	18	2.2%
10	Australia	16	1.9%
11	Belgium	11	1.3%
12	Singapore	11	1.3%
13	Mexico	10	1.2%
14	Argentina	10	1.2%
15	Canada	8	1%
16	France	8	1%
17	Sri Lanka	8	1%
18	Ukraine	7	0.8%
19	Ireland	7	0.8%
20	Italy	6	0.7%
21	Taiwan	6	0.7%
22	Spain	6	0.7%
23	Turkey	5	0.6%
24	Bangladesh	5	0.6%
25	Brazil	5	0.6%
26	Algeria	5	0.6%
27	Czech Republic	4	0.5%
28	Israel	4	0.5%
29	Hong Kong	4	0.5%
30	Thailand	4	0.5%
31	Viet Nam	4	0.5%
32	South Africa	4	0.5%
33	Philippines	3	0.4%
34	Malaysia	3	0.4%
35	Mauritius	3	0.4%
36	Portugal	3	0.4%
37	Romania	3	0.4%
38	Iceland	3	0.4%
39	Iran, Islamic Republic of	3	0.4%
40	Iraq	2	0.2%
41	Indonesia	2	0.2%
42	Guatemala	2	0.2%
43	Luxembourg	2	0.2%
44	Denmark	2	0.2%
45	Colombia	2	0.2%
46	Estonia	2	0.2%
47	Austria	2	0.2%
48	Chile	2	0.2%
49	New Zealand	2	0.2%
50	Norway	2	0.2%
51	Poland	2	0.2%
52	Sweden	2	0.2%
53	Switzerland	1	0.1%
54	Russia	1	0.1%
55	Saudi Arabia	1	0.1%
56	Bulgaria	1	0.1%
57	Croatia	1	0.1%
58	Kazakhstan	1	0.1%
59	Greece	1	0.1%