Rank	Countries/Territories	Count	Percent
1	United States	193	38.4%
2	China	143	28.5%
3	Germany	54	10.8%
4	France	23	4.6%
5	Singapore	10	2%
6	Canada	7	1.4%
7	Iran, Islamic Republic of	6	1.2%
8	Netherlands	6	1.2%
9	Spain	5	1%
10	Kazakhstan	5	1%
11	Argentina	4	0.8%
12	Egypt	4	0.8%
13	Colombia	4	0.8%
14	Cyprus	3	0.6%
15	Azerbaijan	3	0.6%
16	Albania	3	0.6%
17	Malaysia	3	0.6%
18	Japan	3	0.6%
19	United Kingdom	3	0.6%
20	Switzerland	3	0.6%
21	Turkey	3	0.6%
22	Ukraine	2	0.4%
23	Mexico	2	0.4%
24	Norway	2	0.4%
25	Romania	2	0.4%
26	Russia	2	0.4%
27	Greece	2	0.4%
28	India	1	0.2%
29	Ireland	1	0.2%