Rank	Countries/Territories	Count	Percent
1	United States	211	38.8%
2	China	143	26.3%
3	Germany	41	7.5%
4	France	16	2.9%
5	Moldova, Republic of	15	2.8%
6	Netherlands	15	2.8%
7	Korea, Republic of	13	2.4%
8	Singapore	12	2.2%
9	Canada	11	2%
10	Hungary	7	1.3%
11	Russia	6	1.1%
12	United Kingdom	6	1.1%
13	Japan	5	0.9%
14	Spain	4	0.7%
15	Ukraine	4	0.7%
16	Israel	4	0.7%
17	Australia	4	0.7%
18	Cyprus	3	0.6%
19	Hong Kong	3	0.6%
20	Iran, Islamic Republic of	3	0.6%
21	Sweden	3	0.6%
22	Poland	2	0.4%
23	Ireland	2	0.4%
24	Italy	2	0.4%
25	Lithuania	2	0.4%
26	Brazil	2	0.4%
27	Pakistan	1	0.2%
28	Romania	1	0.2%
29	Taiwan	1	0.2%
30	South Africa	1	0.2%
31	United Arab Emirates	1	0.2%