Rank	Countries/Territories	Count	Percent
1	United States	333	36.8%
2	China	221	24.4%
3	Germany	136	15%
4	Japan	33	3.6%
5	India	20	2.2%
6	Australia	19	2.1%
7	France	16	1.8%
8	Sweden	16	1.8%
9	Singapore	11	1.2%
10	Iran, Islamic Republic of	10	1.1%
11	Cyprus	8	0.9%
12	Russia	7	0.8%
13	Netherlands	7	0.8%
14	Taiwan	6	0.7%
15	Thailand	4	0.4%
16	United Kingdom	4	0.4%
17	Nigeria	4	0.4%
18	Hong Kong	4	0.4%
19	Dominican Republic	4	0.4%
20	Egypt	3	0.3%
21	Belgium	3	0.3%
22	Ireland	3	0.3%
23	Libya	3	0.3%
24	Mexico	2	0.2%
25	Indonesia	2	0.2%
26	South Africa	2	0.2%
27	Spain	2	0.2%
28	Argentina	2	0.2%
29	Canada	2	0.2%
30	Austria	2	0.2%
31	Azerbaijan	2	0.2%
32	Bangladesh	2	0.2%
33	Ethiopia	2	0.2%
34	Guatemala	2	0.2%
35	Ghana	1	0.1%
36	Brazil	1	0.1%
37	Cambodia	1	0.1%
38	Pakistan	1	0.1%
39	Romania	1	0.1%
40	New Zealand	1	0.1%
41	Italy	1	0.1%
42	Korea, Republic of	1	0.1%