Rank	Countries/Territories	Count	Percent
1	United States	436	32.2%
2	China	408	30.2%
3	Germany	97	7.2%
4	India	74	5.5%
5	Australia	70	5.2%
6	Japan	36	2.7%
7	Canada	24	1.8%
8	Netherlands	24	1.8%
9	United Kingdom	24	1.8%
10	Russia	15	1.1%
11	France	13	1%
12	Iran, Islamic Republic of	10	0.7%
13	Turkey	10	0.7%
14	Brazil	9	0.7%
15	Singapore	8	0.6%
16	Spain	8	0.6%
17	Italy	7	0.5%
18	Romania	7	0.5%
19	Korea, Republic of	7	0.5%
20	Cyprus	6	0.4%
21	Switzerland	6	0.4%
22	Taiwan	5	0.4%
23	Austria	5	0.4%
24	Latvia	5	0.4%
25	Norway	5	0.4%
26	Ireland	4	0.3%
27	South Africa	4	0.3%
28	Mongolia	3	0.2%
29	Argentina	3	0.2%
30	Bangladesh	2	0.1%
31	Ecuador	2	0.1%
32	Hong Kong	2	0.1%
33	Sweden	2	0.1%
34	Serbia	2	0.1%
35	Thailand	2	0.1%
36	Nigeria	1	0.1%
37	Oman	1	0.1%
38	Peru	1	0.1%
39	Philippines	1	0.1%
40	Iceland	1	0.1%
41	Egypt	1	0.1%
42	Finland	1	0.1%