Rank	Countries/Territories	Count	Percent
1	United States	346	43.1%
2	China	245	30.5%
3	Germany	72	9%
4	France	29	3.6%
5	Taiwan	18	2.2%
6	Greece	15	1.9%
7	Canada	13	1.6%
8	Netherlands	10	1.2%
9	Japan	8	1%
10	India	8	1%
11	Australia	4	0.5%
12	Singapore	4	0.5%
13	Portugal	3	0.4%
14	Russia	3	0.4%
15	Argentina	3	0.4%
16	Korea, Republic of	3	0.4%
17	Iran, Islamic Republic of	2	0.2%
18	Ireland	2	0.2%
19	Cyprus	2	0.2%
20	Denmark	2	0.2%
21	Hong Kong	2	0.2%
22	Serbia	2	0.2%
23	Mongolia	2	0.2%
24	Indonesia	1	0.1%
25	Malaysia	1	0.1%
26	New Zealand	1	0.1%
27	Norway	1	0.1%