Rank	Countries/Territories	Count	Percent
1	United States	355	33%
2	Germany	307	28.5%
3	China	254	23.6%
4	France	32	3%
5	Japan	30	2.8%
6	Korea, Republic of	17	1.6%
7	Canada	12	1.1%
8	Australia	10	0.9%
9	Singapore	8	0.7%
10	Ireland	6	0.6%
11	Netherlands	4	0.4%
12	Cyprus	4	0.4%
13	India	4	0.4%
14	Belarus	3	0.3%
15	Brazil	3	0.3%
16	Spain	3	0.3%
17	Sweden	3	0.3%
18	Ukraine	3	0.3%
19	United Kingdom	2	0.2%
20	South Africa	2	0.2%
21	Italy	2	0.2%
22	Finland	2	0.2%
23	Hong Kong	2	0.2%
24	Malaysia	2	0.2%
25	Mongolia	1	0.1%
26	Iran, Islamic Republic of	1	0.1%
27	Ethiopia	1	0.1%
28	Argentina	1	0.1%
29	Romania	1	0.1%
30	Russia	1	0.1%
31	Switzerland	1	0.1%