Rank	Countries/Territories	Count	Percent
1	United States	464	39.4%
2	China	400	33.9%
3	Germany	130	11%
4	Japan	24	2%
5	Sweden	20	1.7%
6	United Kingdom	15	1.3%
7	France	14	1.2%
8	Ukraine	13	1.1%
9	Korea, Republic of	10	0.8%
10	Canada	9	0.8%
11	Italy	9	0.8%
12	Netherlands	8	0.7%
13	Argentina	8	0.7%
14	Cyprus	7	0.6%
15	Switzerland	6	0.5%
16	Singapore	5	0.4%
17	Libya	4	0.3%
18	Greece	4	0.3%
19	India	3	0.3%
20	Iran, Islamic Republic of	2	0.2%
21	Ireland	2	0.2%
22	Malaysia	2	0.2%
23	Morocco	2	0.2%
24	Australia	2	0.2%
25	Bangladesh	2	0.2%
26	Poland	2	0.2%
27	Russia	2	0.2%
28	Taiwan	2	0.2%
29	Turkey	2	0.2%
30	Algeria	2	0.2%
31	Norway	1	0.1%
32	Chile	1	0.1%
33	Georgia	1	0.1%
34	Israel	1	0.1%