Rank	Countries/Territories	Count	Percent
1	United States	589	39.6%
2	China	253	17%
3	Germany	99	6.6%
4	France	84	5.6%
5	India	53	3.6%
6	Japan	53	3.6%
7	Netherlands	42	2.8%
8	Canada	40	2.7%
9	Australia	35	2.4%
10	United Kingdom	30	2%
11	Korea, Republic of	26	1.7%
12	Iran, Islamic Republic of	26	1.7%
13	Ireland	15	1%
14	Russia	12	0.8%
15	Singapore	12	0.8%
16	Sweden	10	0.7%
17	Ukraine	9	0.6%
18	Italy	8	0.5%
19	Cyprus	8	0.5%
20	Egypt	7	0.5%
21	Argentina	6	0.4%
22	Hong Kong	6	0.4%
23	Spain	5	0.3%
24	Turkey	5	0.3%
25	Indonesia	4	0.3%
26	Israel	3	0.2%
27	New Zealand	3	0.2%
28	Nigeria	3	0.2%
29	Bulgaria	3	0.2%
30	Greece	3	0.2%
31	Czech Republic	3	0.2%
32	Myanmar	3	0.2%
33	Pakistan	3	0.2%
34	Philippines	2	0.1%
35	Nepal	2	0.1%
36	Qatar	2	0.1%
37	Syrian Arab Republic	2	0.1%
38	Taiwan	2	0.1%
39	Bangladesh	2	0.1%
40	Belgium	2	0.1%
41	Brazil	2	0.1%
42	Mexico	2	0.1%
43	Moldova, Republic of	2	0.1%
44	Iraq	2	0.1%
45	Norway	1	0.1%
46	Denmark	1	0.1%
47	Georgia	1	0.1%
48	Romania	1	0.1%
49	South Africa	1	0.1%
50	Poland	1	0.1%