Rank	Countries/Territories	Count	Percent
1	United States	434	37.2%
2	China	333	28.6%
3	Germany	100	8.6%
4	France	58	5%
5	Moldova, Republic of	31	2.7%
6	Singapore	24	2.1%
7	India	24	2.1%
8	Sweden	18	1.5%
9	Switzerland	14	1.2%
10	Japan	11	0.9%
11	Korea, Republic of	11	0.9%
12	Netherlands	10	0.9%
13	Spain	10	0.9%
14	Ireland	9	0.8%
15	Hong Kong	9	0.8%
16	Brazil	7	0.6%
17	Australia	6	0.5%
18	Cyprus	6	0.5%
19	Finland	6	0.5%
20	Iran, Islamic Republic of	6	0.5%
21	Mexico	5	0.4%
22	United Kingdom	5	0.4%
23	Russia	4	0.3%
24	Italy	4	0.3%
25	Hungary	4	0.3%
26	Denmark	3	0.3%
27	Portugal	3	0.3%
28	Pakistan	2	0.2%
29	Egypt	2	0.2%
30	Chile	2	0.2%
31	Indonesia	2	0.2%
32	Argentina	1	0.1%
33	Canada	1	0.1%
34	Malaysia	1	0.1%