Rank	Countries/Territories	Count	Percent
1	United States	296	49.7%
2	China	108	18.1%
3	Germany	64	10.7%
4	India	26	4.4%
5	France	13	2.2%
6	Netherlands	13	2.2%
7	Korea, Republic of	9	1.5%
8	Italy	9	1.5%
9	Japan	6	1%
10	Australia	5	0.8%
11	Russia	4	0.7%
12	South Africa	4	0.7%
13	Singapore	3	0.5%
14	Canada	3	0.5%
15	Greece	3	0.5%
16	Cyprus	3	0.5%
17	Hungary	3	0.5%
18	Iran, Islamic Republic of	2	0.3%
19	Ecuador	2	0.3%
20	Argentina	2	0.3%
21	Brazil	2	0.3%
22	Ukraine	2	0.3%
23	Saudi Arabia	2	0.3%
24	Romania	2	0.3%
25	Latvia	2	0.3%
26	Malaysia	2	0.3%
27	Kuwait	1	0.2%
28	United Kingdom	1	0.2%
29	Sweden	1	0.2%
30	Hong Kong	1	0.2%
31	Ireland	1	0.2%
32	Indonesia	1	0.2%