Rank	Countries/Territories	Count	Percent
1	United States	310	38.6%
2	China	203	25.3%
3	Germany	102	12.7%
4	Japan	18	2.2%
5	Saudi Arabia	18	2.2%
6	Singapore	17	2.1%
7	India	16	2%
8	Canada	16	2%
9	Netherlands	15	1.9%
10	France	12	1.5%
11	Korea, Republic of	11	1.4%
12	Russia	8	1%
13	Switzerland	7	0.9%
14	Cyprus	6	0.7%
15	Argentina	5	0.6%
16	Australia	4	0.5%
17	Ireland	3	0.4%
18	Turkey	3	0.4%
19	Portugal	3	0.4%
20	Slovakia	3	0.4%
21	Pakistan	2	0.2%
22	Romania	2	0.2%
23	Taiwan	2	0.2%
24	United Kingdom	2	0.2%
25	Israel	2	0.2%
26	Lebanon	2	0.2%
27	Malaysia	2	0.2%
28	Egypt	2	0.2%
29	Hong Kong	1	0.1%
30	Morocco	1	0.1%
31	Iran, Islamic Republic of	1	0.1%
32	Viet Nam	1	0.1%
33	Ukraine	1	0.1%
34	Puerto Rico	1	0.1%
35	Nigeria	1	0.1%