Rank	Countries/Territories	Count	Percent
1	United States	256	39.3%
2	China	206	31.6%
3	Japan	27	4.1%
4	India	21	3.2%
5	Ireland	14	2.1%
6	Russia	14	2.1%
7	Israel	12	1.8%
8	Germany	12	1.8%
9	Brazil	10	1.5%
10	United Kingdom	10	1.5%
11	Hong Kong	10	1.5%
12	Greece	9	1.4%
13	Korea, Republic of	9	1.4%
14	Australia	7	1.1%
15	Singapore	7	1.1%
16	Spain	4	0.6%
17	Taiwan	2	0.3%
18	Argentina	2	0.3%
19	Canada	2	0.3%
20	Chile	2	0.3%
21	Colombia	2	0.3%
22	Mexico	2	0.3%
23	Morocco	2	0.3%
24	Netherlands	2	0.3%
25	Nicaragua	2	0.3%
26	Portugal	1	0.2%
27	Mongolia	1	0.2%
28	Sweden	1	0.2%
29	Slovakia	1	0.2%
30	South Africa	1	0.2%
31	Saudi Arabia	1	0.2%