Rank	Countries/Territories	Count	Percent
1	United States	273	37.4%
2	China	204	28%
3	Singapore	62	8.5%
4	Germany	57	7.8%
5	Korea, Republic of	44	6%
6	Japan	15	2.1%
7	United Kingdom	11	1.5%
8	Israel	6	0.8%
9	Netherlands	5	0.7%
10	Brazil	5	0.7%
11	Sweden	5	0.7%
12	France	4	0.5%
13	India	4	0.5%
14	Iran, Islamic Republic of	4	0.5%
15	Ireland	3	0.4%
16	Taiwan	3	0.4%
17	Ukraine	3	0.4%
18	Slovenia	2	0.3%
19	Nigeria	2	0.3%
20	Pakistan	2	0.3%
21	Romania	2	0.3%
22	Russia	2	0.3%
23	Cyprus	2	0.3%
24	Hong Kong	2	0.3%
25	Austria	2	0.3%
26	Argentina	1	0.1%
27	Colombia	1	0.1%
28	South Africa	1	0.1%
29	Spain	1	0.1%
30	Malaysia	1	0.1%