Rank	Countries/Territories	Count	Percent
1	United States	592	29.5%
2	China	486	24.2%
3	Germany	135	6.7%
4	Russia	59	2.9%
5	United Kingdom	57	2.8%
6	Japan	56	2.8%
7	Australia	42	2.1%
8	Netherlands	39	1.9%
9	Brazil	34	1.7%
10	Ireland	33	1.6%
11	Spain	32	1.6%
12	Canada	30	1.5%
13	Israel	26	1.3%
14	Hong Kong	24	1.2%
15	India	23	1.1%
16	Sweden	23	1.1%
17	Poland	23	1.1%
18	Mexico	22	1.1%
19	France	19	0.9%
20	Hungary	15	0.7%
21	Turkey	15	0.7%
22	Singapore	14	0.7%
23	Italy	14	0.7%
24	Malaysia	14	0.7%
25	Korea, Republic of	14	0.7%
26	Cuba	14	0.7%
27	Taiwan	13	0.6%
28	Austria	10	0.5%
29	Belgium	10	0.5%
30	Cyprus	9	0.4%
31	Morocco	9	0.4%
32	Greece	8	0.4%
33	Iran, Islamic Republic of	7	0.3%
34	Romania	7	0.3%
35	Thailand	7	0.3%
36	Saudi Arabia	6	0.3%
37	Czech Republic	6	0.3%
38	Ecuador	5	0.2%
39	Colombia	5	0.2%
40	Egypt	4	0.2%
41	Lithuania	4	0.2%
42	Portugal	4	0.2%
43	Peru	3	0.1%
44	South Africa	3	0.1%
45	Iraq	3	0.1%
46	Indonesia	3	0.1%
47	Iceland	2	0.1%
48	Kenya	2	0.1%
49	Bulgaria	2	0.1%
50	Algeria	2	0.1%
51	Switzerland	2	0.1%
52	Serbia	2	0.1%
53	Norway	2	0.1%
54	Ukraine	2	0.1%
55	United Arab Emirates	2	0.1%
56	Viet Nam	2	0.1%
57	Paraguay	1	0%
58	New Zealand	1	0%
59	Puerto Rico	1	0%
60	Slovakia	1	0%
61	Argentina	1	0%
62	Mongolia	1	0%
63	Kazakhstan	1	0%