Rank	Countries/Territories	Count	Percent
1	United States	290	36.8%
2	China	275	34.9%
3	Germany	64	8.1%
4	Japan	38	4.8%
5	United Kingdom	18	2.3%
6	France	17	2.2%
7	Russia	11	1.4%
8	Singapore	8	1%
9	Canada	8	1%
10	Argentina	7	0.9%
11	Netherlands	6	0.8%
12	India	5	0.6%
13	Algeria	4	0.5%
14	Colombia	4	0.5%
15	Spain	4	0.5%
16	Taiwan	4	0.5%
17	Australia	3	0.4%
18	Ireland	3	0.4%
19	Hong Kong	2	0.3%
20	Czech Republic	2	0.3%
21	Denmark	2	0.3%
22	Egypt	2	0.3%
23	Korea, Republic of	2	0.3%
24	Lithuania	2	0.3%
25	Romania	2	0.3%
26	New Zealand	1	0.1%
27	Mexico	1	0.1%
28	Cyprus	1	0.1%
29	Greece	1	0.1%
30	Italy	1	0.1%
31	Iran, Islamic Republic of	1	0.1%