Rank	Countries/Territories	Count	Percent
1	United States	539	30.9%
2	China	337	19.3%
3	Germany	110	6.3%
4	Netherlands	106	6.1%
5	India	83	4.8%
6	Ireland	54	3.1%
7	United Kingdom	51	2.9%
8	Canada	50	2.9%
9	Japan	46	2.6%
10	Russia	32	1.8%
11	Singapore	29	1.7%
12	Mexico	28	1.6%
13	Brazil	23	1.3%
14	Iran, Islamic Republic of	21	1.2%
15	Italy	18	1%
16	Korea, Republic of	17	1%
17	Nepal	13	0.7%
18	France	12	0.7%
19	Greece	11	0.6%
20	Argentina	10	0.6%
21	Spain	10	0.6%
22	Romania	9	0.5%
23	Palestine, State of	8	0.5%
24	Turkey	8	0.5%
25	Israel	8	0.5%
26	Denmark	7	0.4%
27	Taiwan	7	0.4%
28	Thailand	6	0.3%
29	New Zealand	6	0.3%
30	Cyprus	6	0.3%
31	Czech Republic	5	0.3%
32	Colombia	5	0.3%
33	Belgium	5	0.3%
34	Indonesia	5	0.3%
35	Poland	5	0.3%
36	Ukraine	5	0.3%
37	Uruguay	4	0.2%
38	Australia	4	0.2%
39	Bulgaria	3	0.2%
40	Iceland	3	0.2%
41	Guatemala	3	0.2%
42	Switzerland	3	0.2%
43	Sweden	2	0.1%
44	Qatar	2	0.1%
45	Pakistan	2	0.1%
46	Viet Nam	2	0.1%
47	Hong Kong	2	0.1%
48	Lebanon	2	0.1%
49	Kenya	2	0.1%
50	Chile	2	0.1%
51	Ecuador	2	0.1%
52	Egypt	2	0.1%
53	Finland	1	0.1%
54	Costa Rica	1	0.1%
55	Bolivia, Plurinational State of	1	0.1%
56	Malaysia	1	0.1%
57	Hungary	1	0.1%
58	Morocco	1	0.1%
59	Portugal	1	0.1%
60	South Africa	1	0.1%