Rank	Countries/Territories	Count	Percent
1	United States	609	41.4%
2	China	392	26.6%
3	Germany	108	7.3%
4	Japan	54	3.7%
5	France	25	1.7%
6	Australia	22	1.5%
7	Turkey	22	1.5%
8	India	21	1.4%
9	Singapore	18	1.2%
10	Italy	15	1%
11	Canada	15	1%
12	United Kingdom	15	1%
13	Russia	12	0.8%
14	Greece	12	0.8%
15	Ireland	12	0.8%
16	Spain	11	0.7%
17	Netherlands	9	0.6%
18	Iran, Islamic Republic of	8	0.5%
19	Hong Kong	7	0.5%
20	Ukraine	7	0.5%
21	Switzerland	6	0.4%
22	Thailand	6	0.4%
23	Indonesia	6	0.4%
24	Malaysia	6	0.4%
25	Poland	5	0.3%
26	Korea, Republic of	5	0.3%
27	Taiwan	5	0.3%
28	Tunisia	4	0.3%
29	Cyprus	4	0.3%
30	Argentina	4	0.3%
31	Norway	3	0.2%
32	Romania	3	0.2%
33	Philippines	2	0.1%
34	Slovenia	2	0.1%
35	Portugal	2	0.1%
36	Pakistan	2	0.1%
37	Azerbaijan	2	0.1%
38	Colombia	2	0.1%
39	Brazil	2	0.1%
40	Bulgaria	2	0.1%
41	Belgium	1	0.1%
42	Algeria	1	0.1%
43	Peru	1	0.1%
44	Israel	1	0.1%
45	South Africa	1	0.1%