Rank	Countries/Territories	Count	Percent
1	United States	572	44%
2	China	347	26.7%
3	Germany	67	5.2%
4	Japan	39	3%
5	Canada	37	2.8%
6	India	32	2.5%
7	France	30	2.3%
8	United Kingdom	26	2%
9	Netherlands	24	1.8%
10	Australia	18	1.4%
11	Taiwan	17	1.3%
12	Iran, Islamic Republic of	13	1%
13	Korea, Republic of	11	0.8%
14	Singapore	9	0.7%
15	Malaysia	8	0.6%
16	Hong Kong	7	0.5%
17	Argentina	6	0.5%
18	Norway	5	0.4%
19	Russia	3	0.2%
20	Lebanon	3	0.2%
21	Egypt	3	0.2%
22	Italy	3	0.2%
23	Kenya	2	0.2%
24	Finland	2	0.2%
25	Cyprus	2	0.2%
26	Brazil	2	0.2%
27	Bulgaria	2	0.2%
28	Philippines	2	0.2%
29	Ukraine	2	0.2%
30	Switzerland	1	0.1%
31	Turkey	1	0.1%
32	Paraguay	1	0.1%
33	Mexico	1	0.1%
34	Israel	1	0.1%