Rank	Countries/Territories	Count	Percent
1	China	287	31%
2	United States	236	25.5%
3	Japan	161	17.4%
4	Germany	62	6.7%
5	Iran, Islamic Republic of	37	4%
6	Singapore	21	2.3%
7	Netherlands	16	1.7%
8	Korea, Republic of	12	1.3%
9	India	11	1.2%
10	Cyprus	7	0.8%
11	Australia	6	0.6%
12	Ireland	6	0.6%
13	Canada	6	0.6%
14	France	6	0.6%
15	Taiwan	5	0.5%
16	Turkey	5	0.5%
17	Spain	4	0.4%
18	Pakistan	4	0.4%
19	Mexico	4	0.4%
20	Argentina	4	0.4%
21	Denmark	4	0.4%
22	Russia	3	0.3%
23	Romania	2	0.2%
24	Ukraine	2	0.2%
25	Egypt	2	0.2%
26	Bangladesh	2	0.2%
27	Hong Kong	2	0.2%
28	Italy	2	0.2%
29	Indonesia	1	0.1%
30	Azerbaijan	1	0.1%
31	United Kingdom	1	0.1%
32	Sweden	1	0.1%
33	Switzerland	1	0.1%
34	Malaysia	1	0.1%
35	Nigeria	1	0.1%