Rank	Countries/Territories	Count	Percent
1	United States	255	33.1%
2	China	232	30.1%
3	Germany	58	7.5%
4	Canada	32	4.2%
5		24	3.1%
6	Japan	23	3%
7	Netherlands	22	2.9%
8	France	22	2.9%
9	Korea, Republic of	14	1.8%
10	United Kingdom	11	1.4%
11	Singapore	10	1.3%
12	Taiwan	9	1.2%
13	Switzerland	7	0.9%
14	India	7	0.9%
15	Ireland	6	0.8%
16	Cyprus	6	0.8%
17	Hong Kong	4	0.5%
18	Sweden	4	0.5%
19	Russia	3	0.4%
20	Belgium	3	0.4%
21	Australia	2	0.3%
22	Egypt	2	0.3%
23	New Zealand	2	0.3%
24	Qatar	2	0.3%
25	Spain	2	0.3%
26	Turkey	2	0.3%
27	Ukraine	2	0.3%
28	Serbia	1	0.1%
29	South Africa	1	0.1%
30	Indonesia	1	0.1%
31	Austria	1	0.1%