Rank	Countries/Territories	Count	Percent
1	United States	356	42%
2	China	269	31.7%
3	India	52	6.1%
4	Germany	50	5.9%
5	Russia	25	2.9%
6	Japan	19	2.2%
7	Korea, Republic of	10	1.2%
8	Canada	10	1.2%
9	Brazil	8	0.9%
10	Netherlands	7	0.8%
11	Singapore	4	0.5%
12	United Kingdom	4	0.5%
13	Hong Kong	3	0.4%
14	Switzerland	3	0.4%
15	Iran, Islamic Republic of	3	0.4%
16	Ireland	2	0.2%
17	Italy	2	0.2%
18	Lebanon	2	0.2%
19	Argentina	2	0.2%
20	Australia	2	0.2%
21	Bahamas	2	0.2%
22	Cyprus	2	0.2%
23	Finland	1	0.1%
24	France	1	0.1%
25	Mongolia	1	0.1%
26	Taiwan	1	0.1%
27	Thailand	1	0.1%
28	Turkey	1	0.1%
29	Ukraine	1	0.1%
30	Pakistan	1	0.1%
31	Romania	1	0.1%
32	Greece	1	0.1%
33	Spain	1	0.1%