Rank	Countries/Territories	Count	Percent
1	United States	314	41.6%
2	China	217	28.8%
3	Germany	47	6.2%
4	Korea, Republic of	24	3.2%
5	Netherlands	16	2.1%
6	Greece	16	2.1%
7	France	13	1.7%
8	Japan	12	1.6%
9	Singapore	12	1.6%
10	United Kingdom	11	1.5%
11	Australia	10	1.3%
12	Ireland	6	0.8%
13	Iran, Islamic Republic of	5	0.7%
14	Taiwan	5	0.7%
15	Romania	5	0.7%
16	Turkey	4	0.5%
17	Poland	4	0.5%
18	India	4	0.5%
19	Jordan	4	0.5%
20	Canada	4	0.5%
21	Cyprus	3	0.4%
22	Italy	3	0.4%
23	Argentina	2	0.3%
24	Belgium	2	0.3%
25	Russia	2	0.3%
26	Slovenia	2	0.3%
27	Spain	2	0.3%
28	Norway	1	0.1%
29	Mongolia	1	0.1%
30	Brazil	1	0.1%
31	Georgia	1	0.1%
32	Hong Kong	1	0.1%