Rank	Countries/Territories	Count	Percent
1	United States	262	34.8%
2	China	209	27.8%
3	Germany	81	10.8%
4	Korea, Republic of	26	3.5%
5	France	23	3.1%
6	Canada	21	2.8%
7	Netherlands	17	2.3%
8	Japan	15	2%
9	Switzerland	14	1.9%
10	Australia	13	1.7%
11	Russia	12	1.6%
12	Greece	10	1.3%
13	Ukraine	9	1.2%
14	India	6	0.8%
15	Cyprus	4	0.5%
16	Taiwan	4	0.5%
17	Singapore	4	0.5%
18	South Africa	3	0.4%
19	Hong Kong	3	0.4%
20	Indonesia	2	0.3%
21	Iran, Islamic Republic of	2	0.3%
22	Israel	2	0.3%
23	Norway	2	0.3%
24	Pakistan	2	0.3%
25	Macao	2	0.3%
26	Turkey	2	0.3%
27	United Kingdom	1	0.1%
28	Sweden	1	0.1%
29	Belgium	1	0.1%