Rank	Countries/Territories	Count	Percent
1	United States	276	35.5%
2	China	248	31.9%
3	Germany	128	16.5%
4	India	27	3.5%
5	Japan	19	2.4%
6	Australia	14	1.8%
7	France	8	1%
8	Italy	7	0.9%
9	Ireland	6	0.8%
10	Indonesia	4	0.5%
11	Canada	4	0.5%
12	Cyprus	4	0.5%
13	Korea, Republic of	3	0.4%
14	Netherlands	3	0.4%
15	Singapore	3	0.4%
16	United Kingdom	3	0.4%
17	Turkey	2	0.3%
18	Ukraine	2	0.3%
19	Spain	2	0.3%
20	Russia	2	0.3%
21	Denmark	2	0.3%
22	Argentina	2	0.3%
23	Iran, Islamic Republic of	2	0.3%
24	Georgia	1	0.1%
25	Hong Kong	1	0.1%
26	Austria	1	0.1%
27	Egypt	1	0.1%
28	Mongolia	1	0.1%
29	Sweden	1	0.1%
30	Switzerland	1	0.1%