Rank	Countries/Territories	Count	Percent
1	United States	543	46.9%
2	China	269	23.2%
3	Germany	126	10.9%
4	France	44	3.8%
5	Japan	43	3.7%
6	Netherlands	22	1.9%
7	Korea, Republic of	18	1.6%
8	Ireland	13	1.1%
9	Canada	13	1.1%
10	Taiwan	12	1%
11	India	11	0.9%
12	Hong Kong	5	0.4%
13	Russia	5	0.4%
14	Singapore	4	0.3%
15	Cyprus	4	0.3%
16	Australia	3	0.3%
17	Indonesia	2	0.2%
18	Malaysia	2	0.2%
19	Mexico	2	0.2%
20	Slovakia	2	0.2%
21	South Africa	2	0.2%
22	Spain	2	0.2%
23	Thailand	2	0.2%
24	Norway	2	0.2%
25	Switzerland	2	0.2%
26	Poland	1	0.1%
27	Sweden	1	0.1%
28	Mongolia	1	0.1%
29	Morocco	1	0.1%
30	Bangladesh	1	0.1%
31	Argentina	1	0.1%