Rank	Countries/Territories	Count	Percent
1	United States	262	42.7%
2	China	174	28.3%
3	Germany	40	6.5%
4	Korea, Republic of	20	3.3%
5	Netherlands	16	2.6%
6	France	13	2.1%
7	Singapore	10	1.6%
8	United Kingdom	10	1.6%
9	Australia	9	1.5%
10	Japan	8	1.3%
11	Iran, Islamic Republic of	5	0.8%
12	Romania	5	0.8%
13	India	4	0.7%
14	Turkey	4	0.7%
15	Jordan	4	0.7%
16	Canada	4	0.7%
17	Ireland	3	0.5%
18	Italy	3	0.5%
19	Taiwan	3	0.5%
20	Slovenia	2	0.3%
21	Spain	2	0.3%
22	Russia	2	0.3%
23	Poland	2	0.3%
24	Argentina	2	0.3%
25	Belgium	2	0.3%
26	Cyprus	2	0.3%
27	Georgia	1	0.2%
28	Hong Kong	1	0.2%
29	Mongolia	1	0.2%