Rank	Countries/Territories	Count	Percent
1	United States	358	36.9%
2	China	235	24.3%
3	Germany	105	10.8%
4	Japan	67	6.9%
5		33	3.4%
6	France	23	2.4%
7	Singapore	21	2.2%
8	Netherlands	16	1.7%
9	Korea, Republic of	14	1.4%
10	Taiwan	12	1.2%
11	United Kingdom	12	1.2%
12	Canada	9	0.9%
13	Denmark	8	0.8%
14	Portugal	7	0.7%
15	Australia	6	0.6%
16	Iran, Islamic Republic of	6	0.6%
17	Belgium	5	0.5%
18	Cyprus	5	0.5%
19	Mexico	5	0.5%
20	Argentina	3	0.3%
21	Hong Kong	3	0.3%
22	India	2	0.2%
23	Ireland	2	0.2%
24	Latvia	2	0.2%
25	Ukraine	2	0.2%
26	Norway	2	0.2%
27	Philippines	2	0.2%
28	Poland	1	0.1%
29	Russia	1	0.1%
30	Spain	1	0.1%
31	Estonia	1	0.1%