Rank	Countries/Territories	Count	Percent
1	United States	227	37.6%
2	China	148	24.5%
3	Germany	49	8.1%
4	Netherlands	24	4%
5	Japan	18	3%
6	France	18	3%
7	United Kingdom	18	3%
8	Korea, Republic of	13	2.2%
9	Poland	12	2%
10	Ireland	8	1.3%
11	Singapore	7	1.2%
12	Hungary	6	1%
13	Hong Kong	5	0.8%
14	Canada	5	0.8%
15	Sweden	5	0.8%
16	Australia	4	0.7%
17	Argentina	3	0.5%
18	Cyprus	3	0.5%
19	Denmark	3	0.5%
20	Spain	3	0.5%
21	Moldova, Republic of	3	0.5%
22	Mongolia	2	0.3%
23	Ukraine	2	0.3%
24	South Africa	2	0.3%
25	Taiwan	2	0.3%
26	Thailand	2	0.3%
27	Finland	2	0.3%
28	Iran, Islamic Republic of	2	0.3%
29	Malaysia	2	0.3%
30	Mexico	2	0.3%
31	Tunisia	1	0.2%
32	Italy	1	0.2%
33	Russia	1	0.2%
34	Pakistan	1	0.2%