Rank	Countries/Territories	Count	Percent
1	United States	544	40.9%
2	China	208	15.6%
3	Germany	93	7%
4	India	49	3.7%
5	Korea, Republic of	44	3.3%
6	Greece	40	3%
7	Japan	31	2.3%
8	Netherlands	26	2%
9	Canada	24	1.8%
10	France	21	1.6%
11	Egypt	17	1.3%
12	Belgium	16	1.2%
13	Brazil	16	1.2%
14	Romania	16	1.2%
15	Singapore	13	1%
16	Spain	11	0.8%
17	Turkey	10	0.8%
18	Australia	10	0.8%
19	Ireland	9	0.7%
20	United Kingdom	9	0.7%
21	South Africa	9	0.7%
22	Portugal	8	0.6%
23	Switzerland	7	0.5%
24	Russia	6	0.5%
25	Italy	6	0.5%
26	Malaysia	6	0.5%
27	Cyprus	6	0.5%
28	Hong Kong	5	0.4%
29	Norway	5	0.4%
30	Indonesia	5	0.4%
31	Iran, Islamic Republic of	5	0.4%
32	Taiwan	5	0.4%
33	Thailand	4	0.3%
34	Israel	4	0.3%
35	Kazakhstan	3	0.2%
36	Colombia	3	0.2%
37	Argentina	3	0.2%
38	Azerbaijan	3	0.2%
39	Venezuela, Bolivarian Republic of	3	0.2%
40	Viet Nam	3	0.2%
41	Morocco	3	0.2%
42	Poland	2	0.2%
43	Yemen	2	0.2%
44	Bulgaria	2	0.2%
45	Algeria	2	0.2%
46	Iceland	2	0.2%
47	Latvia	2	0.2%
48	Philippines	1	0.1%
49	Mauritius	1	0.1%
50	Mongolia	1	0.1%
51	Finland	1	0.1%
52	Ecuador	1	0.1%
53	Austria	1	0.1%
54	Puerto Rico	1	0.1%
55	Saudi Arabia	1	0.1%
56	Ukraine	1	0.1%
57	United Arab Emirates	1	0.1%