Rank	Countries/Territories	Count	Percent
1	United States	172	36.4%
2	China	133	28.2%
3	Germany	51	10.8%
4	India	19	4%
5	France	15	3.2%
6	Japan	8	1.7%
7	Ireland	6	1.3%
8	Turkey	6	1.3%
9	Singapore	6	1.3%
10	Nepal	5	1.1%
11	Cyprus	5	1.1%
12	Netherlands	4	0.8%
13	United Kingdom	4	0.8%
14	Viet Nam	4	0.8%
15	Uzbekistan	3	0.6%
16	Norway	3	0.6%
17	Korea, Republic of	3	0.6%
18	Italy	2	0.4%
19	Australia	2	0.4%
20	Indonesia	2	0.4%
21	Serbia	2	0.4%
22	Mexico	2	0.4%
23	Spain	2	0.4%
24	Sweden	2	0.4%
25	Taiwan	2	0.4%
26	Tanzania, United Republic of	2	0.4%
27	Iran, Islamic Republic of	1	0.2%
28	Greece	1	0.2%
29	Hong Kong	1	0.2%
30	Canada	1	0.2%
31	Chile	1	0.2%
32	Malaysia	1	0.2%
33	Russia	1	0.2%