Rank	Countries/Territories	Count	Percent
1	United States	207	37.6%
2	China	155	28.1%
3	Germany	52	9.4%
4	India	21	3.8%
5	France	15	2.7%
6	Taiwan	14	2.5%
7	Japan	8	1.5%
8	Singapore	6	1.1%
9	Turkey	6	1.1%
10	Ireland	6	1.1%
11	Cyprus	6	1.1%
12	Nepal	5	0.9%
13	United Kingdom	5	0.9%
14	Viet Nam	4	0.7%
15	Netherlands	4	0.7%
16	Iran, Islamic Republic of	4	0.7%
17	Norway	3	0.5%
18	Australia	3	0.5%
19	Uzbekistan	3	0.5%
20	Korea, Republic of	3	0.5%
21	Mexico	2	0.4%
22	Serbia	2	0.4%
23	Spain	2	0.4%
24	Sweden	2	0.4%
25	Tanzania, United Republic of	2	0.4%
26	Indonesia	2	0.4%
27	Italy	2	0.4%
28	Russia	1	0.2%
29	Greece	1	0.2%
30	Hong Kong	1	0.2%
31	Canada	1	0.2%
32	Chile	1	0.2%
33	South Africa	1	0.2%
34	Malaysia	1	0.2%