Rank	Countries/Territories	Count	Percent
1	China	278	31.3%
2	United States	187	21.1%
3	Japan	150	16.9%
4	Iran, Islamic Republic of	39	4.4%
5	Singapore	35	3.9%
6	India	29	3.3%
7	Chile	22	2.5%
8	Germany	14	1.6%
9	Taiwan	14	1.6%
10	United Kingdom	14	1.6%
11	Canada	12	1.4%
12	Hong Kong	10	1.1%
13	Turkey	10	1.1%
14	Korea, Republic of	10	1.1%
15	Australia	7	0.8%
16	Netherlands	6	0.7%
17	Russia	6	0.7%
18	Brazil	5	0.6%
19	France	5	0.6%
20	Greece	3	0.3%
21	New Zealand	3	0.3%
22	Pakistan	2	0.2%
23	Luxembourg	2	0.2%
24	Mongolia	2	0.2%
25	Morocco	2	0.2%
26	Thailand	2	0.2%
27	Hungary	2	0.2%
28	Ireland	2	0.2%
29	Italy	2	0.2%
30	Algeria	2	0.2%
31	Egypt	2	0.2%
32	Colombia	1	0.1%
33	Croatia	1	0.1%
34	Tunisia	1	0.1%
35	Spain	1	0.1%
36	Switzerland	1	0.1%
37	Ukraine	1	0.1%
38	Poland	1	0.1%
39	Romania	1	0.1%
40	Norway	1	0.1%