Rank	Countries/Territories	Count	Percent
1	United States	180	37.5%
2	China	141	29.4%
3	Germany	50	10.4%
4	Japan	22	4.6%
5	India	15	3.1%
6	Canada	7	1.5%
7	Singapore	7	1.5%
8	Spain	6	1.2%
9	Netherlands	5	1%
10	Taiwan	4	0.8%
11	France	4	0.8%
12	Belgium	4	0.8%
13	Ireland	4	0.8%
14	Hong Kong	3	0.6%
15	Cyprus	3	0.6%
16	Thailand	3	0.6%
17	United Kingdom	2	0.4%
18	Malaysia	2	0.4%
19	Mexico	2	0.4%
20	Denmark	2	0.4%
21	Brazil	2	0.4%
22	Argentina	2	0.4%
23	Australia	2	0.4%
24	Iceland	2	0.4%
25	Italy	2	0.4%
26	Korea, Republic of	1	0.2%
27	Indonesia	1	0.2%
28	Norway	1	0.2%
29	Russia	1	0.2%