Rank	Countries/Territories	Count	Percent
1	United States	365	42.2%
2	China	261	30.2%
3	Germany	67	7.8%
4	Japan	19	2.2%
5	Russia	13	1.5%
6	United Kingdom	13	1.5%
7	Korea, Republic of	11	1.3%
8	Netherlands	11	1.3%
9	Singapore	10	1.2%
10	France	9	1%
11	India	9	1%
12	Iran, Islamic Republic of	7	0.8%
13	Canada	7	0.8%
14	Sweden	7	0.8%
15	Thailand	5	0.6%
16	Italy	5	0.6%
17	Australia	5	0.6%
18	Cyprus	4	0.5%
19	Hong Kong	4	0.5%
20	Georgia	3	0.3%
21	Egypt	3	0.3%
22	Philippines	3	0.3%
23	Romania	3	0.3%
24	Slovakia	3	0.3%
25	Poland	2	0.2%
26	Pakistan	2	0.2%
27	Ireland	2	0.2%
28	Kazakhstan	2	0.2%
29	Guatemala	2	0.2%
30	Iraq	1	0.1%
31	Greece	1	0.1%
32	Colombia	1	0.1%
33	Belarus	1	0.1%
34	Brazil	1	0.1%
35	Afghanistan	1	0.1%
36	Spain	1	0.1%