Rank	Countries/Territories	Count	Percent
1	United States	311	31.4%
2	China	250	25.3%
3	Japan	148	14.9%
4	Germany	68	6.9%
5	Singapore	28	2.8%
6	United Kingdom	22	2.2%
7	France	21	2.1%
8	Korea, Republic of	13	1.3%
9	Australia	13	1.3%
10	Canada	13	1.3%
11	Denmark	12	1.2%
12	Netherlands	12	1.2%
13	India	10	1%
14	Bangladesh	10	1%
15	Hong Kong	8	0.8%
16	South Africa	7	0.7%
17	Belgium	6	0.6%
18	Cyprus	4	0.4%
19	Iran, Islamic Republic of	4	0.4%
20	Ireland	4	0.4%
21	Spain	4	0.4%
22	Russia	4	0.4%
23	Italy	3	0.3%
24	Thailand	3	0.3%
25	Colombia	2	0.2%
26	Chile	2	0.2%
27	Algeria	1	0.1%
28	Israel	1	0.1%
29	Indonesia	1	0.1%
30	Finland	1	0.1%
31	Sweden	1	0.1%
32	Mexico	1	0.1%
33	Slovakia	1	0.1%
34	Slovenia	1	0.1%