Rank	Countries/Territories	Count	Percent
1	United States	349	43.4%
2	China	214	26.6%
3	Germany	92	11.4%
4	France	23	2.9%
5	Russia	22	2.7%
6	Canada	12	1.5%
7	India	12	1.5%
8	Netherlands	11	1.4%
9	Norway	11	1.4%
10	Singapore	9	1.1%
11	Japan	7	0.9%
12	Australia	7	0.9%
13	Korea, Republic of	6	0.7%
14	Cyprus	4	0.5%
15	Indonesia	3	0.4%
16	Ireland	2	0.2%
17	Israel	2	0.2%
18	Malaysia	2	0.2%
19	Mongolia	2	0.2%
20	Bangladesh	2	0.2%
21	Brazil	2	0.2%
22	Hong Kong	2	0.2%
23	Spain	2	0.2%
24	Thailand	2	0.2%
25	Saudi Arabia	2	0.2%
26	Ukraine	1	0.1%
27	Switzerland	1	0.1%
28	Denmark	1	0.1%