Rank	Countries/Territories	Count	Percent
1	United States	623	42.2%
2	China	404	27.3%
3	Germany	154	10.4%
4	Belgium	49	3.3%
5	France	40	2.7%
6	Australia	24	1.6%
7	Netherlands	20	1.4%
8	Japan	19	1.3%
9	Taiwan	17	1.2%
10	Korea, Republic of	14	0.9%
11	Canada	11	0.7%
12	Sweden	11	0.7%
13	United Kingdom	11	0.7%
14	Russia	10	0.7%
15	Ukraine	8	0.5%
16	Singapore	6	0.4%
17	Argentina	6	0.4%
18	Hong Kong	5	0.3%
19	Iran, Islamic Republic of	5	0.3%
20	Portugal	5	0.3%
21	Qatar	4	0.3%
22	India	4	0.3%
23	Israel	3	0.2%
24	Hungary	3	0.2%
25	Latvia	3	0.2%
26	Mexico	3	0.2%
27	Cyprus	3	0.2%
28	Denmark	3	0.2%
29	Egypt	2	0.1%
30	Myanmar	2	0.1%
31	Georgia	2	0.1%
32	Poland	2	0.1%
33	Romania	1	0.1%
34	Norway	1	0.1%