Rank	Countries/Territories	Count	Percent
1	United States	417	39.1%
2	China	341	32%
3	Germany	134	12.6%
4	India	30	2.8%
5	Japan	26	2.4%
6	Russia	14	1.3%
7	Philippines	13	1.2%
8	Ireland	13	1.2%
9	France	11	1%
10	Korea, Republic of	11	1%
11	Netherlands	10	0.9%
12	Canada	8	0.8%
13	Singapore	7	0.7%
14	Brazil	5	0.5%
15	Austria	3	0.3%
16	Turkey	3	0.3%
17	Australia	2	0.2%
18	Cyprus	2	0.2%
19	Denmark	2	0.2%
20	Dominican Republic	2	0.2%
21	Egypt	2	0.2%
22	Argentina	1	0.1%
23	Chile	1	0.1%
24	Hong Kong	1	0.1%
25	Luxembourg	1	0.1%
26	Mexico	1	0.1%
27	Mongolia	1	0.1%
28	South Africa	1	0.1%
29	Taiwan	1	0.1%
30	New Zealand	1	0.1%
31	Saudi Arabia	1	0.1%